31334744052 has 84 divisors (see below), whose sum is σ = 82276528096. Its totient is φ = 10437238800.

The previous prime is 31334744047. The next prime is 31334744053. The reversal of 31334744052 is 25044743313.

31334744052 is a `hidden beast` number, since 3 + 133 + 474 + 4 + 0 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31334743998 and 31334744016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31334744053) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5091177 + ... + 5097327.

Almost surely, 2^31334744052 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 31334744052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41138264048).

31334744052 is an abundant number, since it is smaller than the sum of its proper divisors (50941784044).

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

31334744052 is a wasteful number, since it uses less digits than its factorization.

31334744052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920 (or 7903 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 31334744052 in words is "thirty-one billion, three hundred thirty-four million, seven hundred forty-four thousand, fifty-two".