31601053 has 4 divisors (see below), whose sum is σ = 34473888. Its totient is φ = 28728220.

The previous prime is 31601051. The next prime is 31601077. The reversal of 31601053 is 35010613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31601053 - 2¹ = 31601051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31601053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31601051) 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 in 3 ways as a sum of consecutive naturals, for example, 1436401 + ... + 1436422.

It is an arithmetic number, because the mean of its divisors is an integer number (8618472).

Almost surely, 2^31601053 is an apocalyptic number.

It is an amenable number.

31601053 is a deficient number, since it is larger than the sum of its proper divisors (2872835).

31601053 is a wasteful number, since it uses less digits than its factorization.

31601053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872834.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 31601053 is about 5621.4813883887. The cubic root of 31601053 is about 316.1553374235.

Adding to 31601053 its reverse (35010613), we get a palindrome (66611666).

The spelling of 31601053 in words is "thirty-one million, six hundred one thousand, fifty-three".