31003130102 has 16 divisors (see below), whose sum is σ = 54279037440. Its totient is φ = 13004352168.

The previous prime is 31003130083. The next prime is 31003130113. The reversal of 31003130102 is 20103130013.

It is a super-2 number, since 2×31003130102² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23557952 + ... + 23559267.

It is an arithmetic number, because the mean of its divisors is an integer number (3392439840).

Almost surely, 2^31003130102 is an apocalyptic number.

31003130102 is a deficient number, since it is larger than the sum of its proper divisors (23275907338).

31003130102 is a wasteful number, since it uses less digits than its factorization.

31003130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47117275.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31003130102 its reverse (20103130013), we get a palindrome (51106260115).

The spelling of 31003130102 in words is "thirty-one billion, three million, one hundred thirty thousand, one hundred two".