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2312431103112 = 2331323322245137
BaseRepresentation
bin100001101001100111101…
…000100110110010001000
322012001210022002100100120
4201221213220212302020
5300341324330244422
64530152143503240
7326032125030504
oct41514750466210
98161708070316
102312431103112
11811773088919
123141b85b7b20
1313a0a49391a0
147dcca98d304
1540241bb645c
hex21a67a26c88

2312431103112 has 64 divisors (see below), whose sum is σ = 6496461982080. Its totient is φ = 680581727232.

The previous prime is 2312431103057. The next prime is 2312431103113. The reversal of 2312431103112 is 2113011342132.

It is a super-3 number, since 3×23124311031123 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2312431103113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161115393 + ... + 161129744.

It is an arithmetic number, because the mean of its divisors is an integer number (101507218470).

Almost surely, 22312431103112 is an apocalyptic number.

It is an amenable number.

2312431103112 is an abundant number, since it is smaller than the sum of its proper divisors (4184030878968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312431103112 is a wasteful number, since it uses less digits than its factorization.

2312431103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322245182 (or 322245178 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2312431103112 its reverse (2113011342132), we get a palindrome (4425442445244).

The spelling of 2312431103112 in words is "two trillion, three hundred twelve billion, four hundred thirty-one million, one hundred three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 23 24 26 39 46 52 69 78 92 104 138 156 184 276 299 312 552 598 897 1196 1794 2392 3588 7176 322245137 644490274 966735411 1288980548 1933470822 2577961096 3866941644 4189186781 7411638151 7733883288 8378373562 12567560343 14823276302 16756747124 22234914453 25135120686 29646552604 33513494248 44469828906 50270241372 59293105208 88939657812 96351295963 100540482744 177879315624 192702591926 289053887889 385405183852 578107775778 770810367704 1156215551556 2312431103112