31303142104 has 32 divisors (see below), whose sum is σ = 64244481840. Its totient is φ = 14210755200.

The previous prime is 31303142099. The next prime is 31303142137. The reversal of 31303142104 is 40124130313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2460802 + ... + 2473489.

Almost surely, 2^31303142104 is an apocalyptic number.

It is an amenable number.

31303142104 is an abundant number, since it is smaller than the sum of its proper divisors (32941339736).

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

31303142104 is a wasteful number, since it uses less digits than its factorization.

31303142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934371 (or 4934367 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31303142104 its reverse (40124130313), we get a palindrome (71427272417).

The spelling of 31303142104 in words is "thirty-one billion, three hundred three million, one hundred forty-two thousand, one hundred four".