31003321102 has 16 divisors (see below), whose sum is σ = 51809264640. Its totient is φ = 13815803232.

The previous prime is 31003321093. The next prime is 31003321133. The reversal of 31003321102 is 20112330013.

It is a super-2 number, since 2×31003321102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20558478 + ... + 20559985.

It is an arithmetic number, because the mean of its divisors is an integer number (3238079040).

Almost surely, 2^31003321102 is an apocalyptic number.

31003321102 is a deficient number, since it is larger than the sum of its proper divisors (20805943538).

31003321102 is a wasteful number, since it uses less digits than its factorization.

31003321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41118507.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31003321102 its reverse (20112330013), we get a palindrome (51115651115).

The spelling of 31003321102 in words is "thirty-one billion, three million, three hundred twenty-one thousand, one hundred two".