31321133003104 has 48 divisors (see below), whose sum is σ = 72377212769568. Its totient is φ = 13060549665792.

The previous prime is 31321133003081. The next prime is 31321133003107. The reversal of 31321133003104 is 40130033112313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321133003107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889538829 + ... + 1889555404.

It is an arithmetic number, because the mean of its divisors is an integer number (1507858599366).

Almost surely, 2^{31321133003104} is an apocalyptic number.

It is an amenable number.

31321133003104 is an abundant number, since it is smaller than the sum of its proper divisors (41056079766464).

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

31321133003104 is a wasteful number, since it uses less digits than its factorization.

31321133003104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779094287 (or 3779094279 counting only the distinct ones).

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

Adding to 31321133003104 its reverse (40130033112313), we get a palindrome (71451166115417).

The spelling of 31321133003104 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred thirty-three million, three thousand, one hundred four".