31301332021132 has 96 divisors (see below), whose sum is σ = 58439033452800. Its totient is φ = 14627503199232.

The previous prime is 31301332021121. The next prime is 31301332021181. The reversal of 31301332021132 is 23112023310313.

It is a super-2 number, since 2×31301332021132² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31301332021097 and 31301332021106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6741615603 + ... + 6741620245.

It is an arithmetic number, because the mean of its divisors is an integer number (608739931800).

Almost surely, 2^{31301332021132} is an apocalyptic number.

It is an amenable number.

31301332021132 is a deficient number, since it is larger than the sum of its proper divisors (27137701431668).

31301332021132 is a wasteful number, since it uses less digits than its factorization.

31301332021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775 (or 6773 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31301332021132 its reverse (23112023310313), we get a palindrome (54413355331445).

The spelling of 31301332021132 in words is "thirty-one trillion, three hundred one billion, three hundred thirty-two million, twenty-one thousand, one hundred thirty-two".