31072053 has 4 divisors (see below), whose sum is σ = 41429408. Its totient is φ = 20714700.

The previous prime is 31072037. The next prime is 31072091. The reversal of 31072053 is 35027013.

It is a happy number.

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 not a de Polignac number, because 31072053 - 2⁴ = 31072037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31072003) 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, 5178673 + ... + 5178678.

It is an arithmetic number, because the mean of its divisors is an integer number (10357352).

Almost surely, 2^31072053 is an apocalyptic number.

It is an amenable number.

31072053 is a deficient number, since it is larger than the sum of its proper divisors (10357355).

31072053 is a wasteful number, since it uses less digits than its factorization.

31072053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357354.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 31072053 is about 5574.2311577472. The cubic root of 31072053 is about 314.3812596066.

Adding to 31072053 its reverse (35027013), we get a palindrome (66099066).

The spelling of 31072053 in words is "thirty-one million, seventy-two thousand, fifty-three".