31334603144 has 64 divisors (see below), whose sum is σ = 64016010240. Its totient is φ = 14292599040.

The previous prime is 31334603071. The next prime is 31334603189. The reversal of 31334603144 is 44130643313.

It is a self number, because there is not a number n which added to its sum of digits gives 31334603144.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5792489 + ... + 5797895.

It is an arithmetic number, because the mean of its divisors is an integer number (1000250160).

Almost surely, 2^31334603144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31334603144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32008005120).

31334603144 is an abundant number, since it is smaller than the sum of its proper divisors (32681407096).

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

31334603144 is a wasteful number, since it uses less digits than its factorization.

31334603144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070 (or 6066 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 31334603144 in words is "thirty-one billion, three hundred thirty-four million, six hundred three thousand, one hundred forty-four".