31253023 has 2 divisors, whose sum is σ = 31253024. Its totient is φ = 31253022.

The previous prime is 31253017. The next prime is 31253059. The reversal of 31253023 is 32035213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31253023 - 2¹³ = 31244831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31253083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15626511 + 15626512.

It is an arithmetic number, because the mean of its divisors is an integer number (15626512).

Almost surely, 2^31253023 is an apocalyptic number.

31253023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31253023 is an equidigital number, since it uses as much as digits as its factorization.

31253023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 31253023 is about 5590.4403225506. The cubic root of 31253023 is about 314.9904187898.

Adding to 31253023 its reverse (32035213), we get a palindrome (63288236).

It can be divided in two parts, 312 and 53023, that added together give a palindrome (53335).

The spelling of 31253023 in words is "thirty-one million, two hundred fifty-three thousand, twenty-three".