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3100031312442 = 233761927225493
BaseRepresentation
bin101101000111001000010…
…000111110001000111010
3101222100201111211110021220
4231013020100332020322
5401242331003444232
610332045033412510
7436653444245361
oct55071020761072
911870644743256
103100031312442
11a95796949329
1242098226a136
13196440983acc
14aa0841887d8
155598b5b642c
hex2d1c843e23a

3100031312442 has 32 divisors (see below), whose sum is σ = 6367762948992. Its totient is φ = 1005394866624.

The previous prime is 3100031312437. The next prime is 3100031312447. The reversal of 3100031312442 is 2442131300013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3100031312437) and next prime (3100031312447).

It is a super-2 number, since 2×31000313124422 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3100031312447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13635048 + ... + 13860540.

It is an arithmetic number, because the mean of its divisors is an integer number (198992592156).

Almost surely, 23100031312442 is an apocalyptic number.

3100031312442 is an abundant number, since it is smaller than the sum of its proper divisors (3267731636550).

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

3100031312442 is a wasteful number, since it uses less digits than its factorization.

3100031312442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287462.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 3100031312442 its reverse (2442131300013), we get a palindrome (5542162612455).

The spelling of 3100031312442 in words is "three trillion, one hundred billion, thirty-one million, three hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 3 6 37 74 111 222 61927 123854 185781 225493 371562 450986 676479 1352958 2291299 4582598 6873897 8343241 13747794 16686482 25029723 50059446 13964105011 27928210022 41892315033 83784630066 516671885407 1033343770814 1550015656221 3100031312442