31504112051041 has 16 divisors (see below), whose sum is σ = 36033565446144. Its totient is φ = 26981876580624.

The previous prime is 31504112051033. The next prime is 31504112051081. The reversal of 31504112051041 is 14015021140513.

It is a happy number.

It is not a de Polignac number, because 31504112051041 - 2³ = 31504112051033 is a prime.

It is a super-2 number, since 2×31504112051041² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31504112051081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479576700 + ... + 479642386.

It is an arithmetic number, because the mean of its divisors is an integer number (2252097840384).

Almost surely, 2^{31504112051041} is an apocalyptic number.

It is an amenable number.

31504112051041 is a deficient number, since it is larger than the sum of its proper divisors (4529453395103).

31504112051041 is a wasteful number, since it uses less digits than its factorization.

31504112051041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119580.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 31504112051041 its reverse (14015021140513), we get a palindrome (45519133191554).

The spelling of 31504112051041 in words is "thirty-one trillion, five hundred four billion, one hundred twelve million, fifty-one thousand, forty-one".