31301332112103 has 32 divisors (see below), whose sum is σ = 43185323169792. Its totient is φ = 20145715200000.

The previous prime is 31301332112101. The next prime is 31301332112117. The reversal of 31301332112103 is 30121123310313.

It is not a de Polignac number, because 31301332112103 - 2¹ = 31301332112101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301332112101) 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, 195552103 + ... + 195712103.

It is an arithmetic number, because the mean of its divisors is an integer number (1349541349056).

Almost surely, 2^{31301332112103} is an apocalyptic number.

31301332112103 is a deficient number, since it is larger than the sum of its proper divisors (11883991057689).

31301332112103 is a wasteful number, since it uses less digits than its factorization.

31301332112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165095.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31301332112103 its reverse (30121123310313), we get a palindrome (61422455422416).

The spelling of 31301332112103 in words is "thirty-one trillion, three hundred one billion, three hundred thirty-two million, one hundred twelve thousand, one hundred three".