31344544036 has 48 divisors (see below), whose sum is σ = 65839253760. Its totient is φ = 12899105280.

The previous prime is 31344544031. The next prime is 31344544037. The reversal of 31344544036 is 63044544313.

It is a junction number, because it is equal to n+sod(n) for n = 31344543986 and 31344544004.

It is not an unprimeable number, because it can be changed into a prime (31344544031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916300 + ... + 949891.

It is an arithmetic number, because the mean of its divisors is an integer number (1371651120).

Almost surely, 2^31344544036 is an apocalyptic number.

It is an amenable number.

31344544036 is an abundant number, since it is smaller than the sum of its proper divisors (34494709724).

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

31344544036 is a wasteful number, since it uses less digits than its factorization.

31344544036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866244 (or 1866242 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 31344544036 in words is "thirty-one billion, three hundred forty-four million, five hundred forty-four thousand, thirty-six".