31729052 has 24 divisors (see below), whose sum is σ = 58163616. Its totient is φ = 15116288.

The previous prime is 31729051. The next prime is 31729057. The reversal of 31729052 is 25092713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31729051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31988 + ... + 32964.

It is an arithmetic number, because the mean of its divisors is an integer number (2423484).

Almost surely, 2^31729052 is an apocalyptic number.

It is an amenable number.

31729052 is a deficient number, since it is larger than the sum of its proper divisors (26434564).

31729052 is a wasteful number, since it uses less digits than its factorization.

31729052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 31729052 is about 5632.8546936700. The cubic root of 31729052 is about 316.5816212370.

The spelling of 31729052 in words is "thirty-one million, seven hundred twenty-nine thousand, fifty-two".