31701053 has 4 divisors (see below), whose sum is σ = 32135388. Its totient is φ = 31266720.

The previous prime is 31701037. The next prime is 31701067. The reversal of 31701053 is 35010713.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20052484 + 11648569 = 4478^2 + 3413^2 .

It is a cyclic number.

It is not a de Polignac number, because 31701053 - 2⁴ = 31701037 is a prime.

It is a super-2 number, since 2×31701053² = 2009913522617618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31701013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217058 + ... + 217203.

It is an arithmetic number, because the mean of its divisors is an integer number (8033847).

Almost surely, 2^31701053 is an apocalyptic number.

It is an amenable number.

31701053 is a deficient number, since it is larger than the sum of its proper divisors (434335).

31701053 is an equidigital number, since it uses as much as digits as its factorization.

31701053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434334.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 31701053 is about 5630.3688156283. The cubic root of 31701053 is about 316.4884723525.

Adding to 31701053 its reverse (35010713), we get a palindrome (66711766).

The spelling of 31701053 in words is "thirty-one million, seven hundred one thousand, fifty-three".