31103120102030 has 8 divisors (see below), whose sum is σ = 55985616183672. Its totient is φ = 12441248040808.

The previous prime is 31103120101979. The next prime is 31103120102077. The reversal of 31103120102030 is 3020102130113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31103120102030² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555156005092 + ... + 1555156005111.

It is an arithmetic number, because the mean of its divisors is an integer number (6998202022959).

Almost surely, 2^{31103120102030} is an apocalyptic number.

31103120102030 is a deficient number, since it is larger than the sum of its proper divisors (24882496081642).

31103120102030 is a wasteful number, since it uses less digits than its factorization.

31103120102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110312010210.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31103120102030 its reverse (3020102130113), we get a palindrome (34123222232143).

The spelling of 31103120102030 in words is "thirty-one trillion, one hundred three billion, one hundred twenty million, one hundred two thousand, thirty".