30103010031 has 32 divisors (see below), whose sum is σ = 43061356800. Its totient is φ = 18648679680.

The previous prime is 30103010027. The next prime is 30103010039. The reversal of 30103010031 is 13001030103.

It is not a de Polignac number, because 30103010031 - 2² = 30103010027 is a prime.

It is a super-2 number, since 2×30103010031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30103009989 and 30103010016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103010039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1540635 + ... + 1560051.

It is an arithmetic number, because the mean of its divisors is an integer number (1345667400).

Almost surely, 2^30103010031 is an apocalyptic number.

30103010031 is a deficient number, since it is larger than the sum of its proper divisors (12958346769).

30103010031 is a wasteful number, since it uses less digits than its factorization.

30103010031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19959.

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 30103010031 its reverse (13001030103), we get a palindrome (43104040134).

The spelling of 30103010031 in words is "thirty billion, one hundred three million, ten thousand, thirty-one".