31830349103 has 16 divisors (see below), whose sum is σ = 36602496000. Its totient is φ = 27114898272.

The previous prime is 31830349099. The next prime is 31830349141. The reversal of 31830349103 is 30194303813.

It is not a de Polignac number, because 31830349103 - 2² = 31830349099 is a prime.

It is a super-2 number, since 2×31830349103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31830349153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832868 + ... + 870246.

It is an arithmetic number, because the mean of its divisors is an integer number (2287656000).

Almost surely, 2^31830349103 is an apocalyptic number.

31830349103 is a deficient number, since it is larger than the sum of its proper divisors (4772146897).

31830349103 is a wasteful number, since it uses less digits than its factorization.

31830349103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38134.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 31830349103 in words is "thirty-one billion, eight hundred thirty million, three hundred forty-nine thousand, one hundred three".