31030232322103 has 16 divisors (see below), whose sum is σ = 36751150702080. Its totient is φ = 25634579042016.

The previous prime is 31030232322083. The next prime is 31030232322113. The reversal of 31030232322103 is 30122323203013.

It is a de Polignac number, because none of the positive numbers 2^k-31030232322103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030232322113) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 135639075 + ... + 135867652.

It is an arithmetic number, because the mean of its divisors is an integer number (2296946918880).

Almost surely, 2^{31030232322103} is an apocalyptic number.

31030232322103 is a deficient number, since it is larger than the sum of its proper divisors (5720918379977).

31030232322103 is a wasteful number, since it uses less digits than its factorization.

31030232322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271507326.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31030232322103 its reverse (30122323203013), we get a palindrome (61152555525116).

The spelling of 31030232322103 in words is "thirty-one trillion, thirty billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred three".