31169052 has 18 divisors (see below), whose sum is σ = 78788528. Its totient is φ = 10389672.

The previous prime is 31169027. The next prime is 31169057. The reversal of 31169052 is 25096113.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31169057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432868 + ... + 432939.

Almost surely, 2^31169052 is an apocalyptic number.

It is an amenable number.

31169052 is an abundant number, since it is smaller than the sum of its proper divisors (47619476).

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

31169052 is a wasteful number, since it uses less digits than its factorization.

31169052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865817 (or 865812 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 31169052 is about 5582.9250397977. The cubic root of 31169052 is about 314.7080590678.

The spelling of 31169052 in words is "thirty-one million, one hundred sixty-nine thousand, fifty-two".