31130103332111 has 32 divisors (see below), whose sum is σ = 37071712972800. Its totient is φ = 25579070899200.

The previous prime is 31130103332101. The next prime is 31130103332117. The reversal of 31130103332111 is 11123330103113.

It is a de Polignac number, because none of the positive numbers 2^k-31130103332111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130103332117) 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, 14850815 + ... + 16816863.

It is an arithmetic number, because the mean of its divisors is an integer number (1158491030400).

Almost surely, 2^{31130103332111} is an apocalyptic number.

31130103332111 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31130103332111 is a deficient number, since it is larger than the sum of its proper divisors (5941609640689).

31130103332111 is a wasteful number, since it uses less digits than its factorization.

31130103332111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966775.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31130103332111 its reverse (11123330103113), we get a palindrome (42253433435224).

The spelling of 31130103332111 in words is "thirty-one trillion, one hundred thirty billion, one hundred three million, three hundred thirty-two thousand, one hundred eleven".