31544511134 has 16 divisors (see below), whose sum is σ = 47572172208. Its totient is φ = 15687172032.

The previous prime is 31544511107. The next prime is 31544511137. The reversal of 31544511134 is 43111544513.

It is a self number, because there is not a number n which added to its sum of digits gives 31544511134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31544511137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424354 + ... + 1446330.

It is an arithmetic number, because the mean of its divisors is an integer number (2973260763).

Almost surely, 2^31544511134 is an apocalyptic number.

31544511134 is a deficient number, since it is larger than the sum of its proper divisors (16027661074).

31544511134 is a wasteful number, since it uses less digits than its factorization.

31544511134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25819.

The product of its digits is 14400, while the sum is 32.

The spelling of 31544511134 in words is "thirty-one billion, five hundred forty-four million, five hundred eleven thousand, one hundred thirty-four".