31201122134 has 64 divisors (see below), whose sum is σ = 58625078400. Its totient is φ = 12125887488.

The previous prime is 31201122119. The next prime is 31201122157. The reversal of 31201122134 is 43122110213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2536952 + ... + 2549220.

It is an arithmetic number, because the mean of its divisors is an integer number (916016850).

Almost surely, 2^31201122134 is an apocalyptic number.

31201122134 is a deficient number, since it is larger than the sum of its proper divisors (27423956266).

31201122134 is a wasteful number, since it uses less digits than its factorization.

31201122134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31201122134 its reverse (43122110213), we get a palindrome (74323232347).

The spelling of 31201122134 in words is "thirty-one billion, two hundred one million, one hundred twenty-two thousand, one hundred thirty-four".