31052057 has 2 divisors, whose sum is σ = 31052058. Its totient is φ = 31052056.

The previous prime is 31052053. The next prime is 31052071. The reversal of 31052057 is 75025013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18913801 + 12138256 = 4349^2 + 3484^2 .

It is a cyclic number.

It is not a de Polignac number, because 31052057 - 2² = 31052053 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (31052051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15526028 + 15526029.

It is an arithmetic number, because the mean of its divisors is an integer number (15526029).

Almost surely, 2^31052057 is an apocalyptic number.

It is an amenable number.

31052057 is a deficient number, since it is larger than the sum of its proper divisors (1).

31052057 is an equidigital number, since it uses as much as digits as its factorization.

31052057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 31052057 is about 5572.4372585073. The cubic root of 31052057 is about 314.3138065306.

The spelling of 31052057 in words is "thirty-one million, fifty-two thousand, fifty-seven".