31321323011032 has 8 divisors (see below), whose sum is σ = 58727480645700. Its totient is φ = 15660661505512.

The previous prime is 31321323011021. The next prime is 31321323011039. The reversal of 31321323011032 is 23011032312313.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×31321323011032² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31321323010988 and 31321323011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321323011039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957582688182 + ... + 1957582688197.

Almost surely, 2^{31321323011032} is an apocalyptic number.

It is an amenable number.

31321323011032 is a deficient number, since it is larger than the sum of its proper divisors (27406157634668).

31321323011032 is a wasteful number, since it uses less digits than its factorization.

31321323011032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915165376385 (or 3915165376381 counting only the distinct ones).

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

Adding to 31321323011032 its reverse (23011032312313), we get a palindrome (54332355323345).

The spelling of 31321323011032 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred twenty-three million, eleven thousand, thirty-two".