31224100134 has 16 divisors (see below), whose sum is σ = 63471942000. Its totient is φ = 10237409760.

The previous prime is 31224100111. The next prime is 31224100139. The reversal of 31224100134 is 43100142213.

It is a self number, because there is not a number n which added to its sum of digits gives 31224100134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31224100139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42655509 + ... + 42656240.

It is an arithmetic number, because the mean of its divisors is an integer number (3966996375).

Almost surely, 2^31224100134 is an apocalyptic number.

31224100134 is an abundant number, since it is smaller than the sum of its proper divisors (32247841866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31224100134 is a wasteful number, since it uses less digits than its factorization.

31224100134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85311815.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31224100134 its reverse (43100142213), we get a palindrome (74324242347).

The spelling of 31224100134 in words is "thirty-one billion, two hundred twenty-four million, one hundred thousand, one hundred thirty-four".