31261410421132 has 12 divisors (see below), whose sum is σ = 55125082499256. Its totient is φ = 15511386849920.

The previous prime is 31261410421091. The next prime is 31261410421139. The reversal of 31261410421132 is 23112401416213.

It is a happy number.

It is a super-2 number, since 2×31261410421132² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31261410421094 and 31261410421103.

It is not an unprimeable number, because it can be changed into a prime (31261410421139) 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 3 ways as a sum of consecutive naturals, for example, 29829589573 + ... + 29829590620.

It is an arithmetic number, because the mean of its divisors is an integer number (4593756874938).

Almost surely, 2^{31261410421132} is an apocalyptic number.

It is an amenable number.

31261410421132 is a deficient number, since it is larger than the sum of its proper divisors (23863672078124).

31261410421132 is a wasteful number, since it uses less digits than its factorization.

31261410421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59659180328 (or 59659180326 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 31261410421132 its reverse (23112401416213), we get a palindrome (54373811837345).

The spelling of 31261410421132 in words is "thirty-one trillion, two hundred sixty-one billion, four hundred ten million, four hundred twenty-one thousand, one hundred thirty-two".