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2331312020030 = 2571091021299261
BaseRepresentation
bin100001111011001101000…
…001100101101000111110
322020212112010212022012202
4201323031001211220332
5301144011334120110
64542553455231502
7330301041131510
oct41731501455076
98225463768182
102331312020030
11819781949194
123179a7818592
1313bac3511186
1480b9c3a9bb0
154099957c0a5
hex21ecd065a3e

2331312020030 has 64 divisors (see below), whose sum is σ = 4844596901760. Its totient is φ = 791195558400.

The previous prime is 2331312020003. The next prime is 2331312020039. The reversal of 2331312020030 is 300202131332.

2331312020030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2331312019984 and 2331312020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331312020039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7640600 + ... + 7939860.

It is an arithmetic number, because the mean of its divisors is an integer number (75696826590).

Almost surely, 22331312020030 is an apocalyptic number.

2331312020030 is an abundant number, since it is smaller than the sum of its proper divisors (2513284881730).

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

2331312020030 is a wasteful number, since it uses less digits than its factorization.

2331312020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300405.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2331312020030 its reverse (300202131332), we get a palindrome (2631514151362).

The spelling of 2331312020030 in words is "two trillion, three hundred thirty-one billion, three hundred twelve million, twenty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 109 218 545 763 1021 1090 1526 2042 3815 5105 7147 7630 10210 14294 35735 71470 111289 222578 299261 556445 598522 779023 1112890 1496305 1558046 2094827 2992610 3895115 4189654 7790230 10474135 20948270 32619449 65238898 163097245 228336143 305545481 326194490 456672286 611090962 1141680715 1527727405 2138818367 2283361430 3055454810 4277636734 10694091835 21388183670 33304457429 66608914858 166522287145 233131202003 333044574290 466262404006 1165656010015 2331312020030