31030003102 has 64 divisors (see below), whose sum is σ = 57921638400. Its totient is φ = 12166640640.

The previous prime is 31030003099. The next prime is 31030003157. The reversal of 31030003102 is 20130003013.

It is a super-2 number, since 2×31030003102² (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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4193518 + ... + 4200910.

It is an arithmetic number, because the mean of its divisors is an integer number (905025600).

Almost surely, 2^31030003102 is an apocalyptic number.

31030003102 is a deficient number, since it is larger than the sum of its proper divisors (26891635298).

31030003102 is a wasteful number, since it uses less digits than its factorization.

31030003102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 31030003102 its reverse (20130003013), we get a palindrome (51160006115).

The spelling of 31030003102 in words is "thirty-one billion, thirty million, three thousand, one hundred two".