31012023 has 16 divisors (see below), whose sum is σ = 47621376. Its totient is φ = 17584320.

The previous prime is 31012021. The next prime is 31012039. The reversal of 31012023 is 32021013.

It is a happy number.

It is not a de Polignac number, because 31012023 - 2¹ = 31012021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31012021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886 + ... + 8387.

It is an arithmetic number, because the mean of its divisors is an integer number (2976336).

Almost surely, 2^31012023 is an apocalyptic number.

31012023 is a deficient number, since it is larger than the sum of its proper divisors (16609353).

31012023 is a wasteful number, since it uses less digits than its factorization.

31012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11414.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 31012023 is about 5568.8439554364. The cubic root of 31012023 is about 314.1786716240.

Adding to 31012023 its reverse (32021013), we get a palindrome (63033036).

The spelling of 31012023 in words is "thirty-one million, twelve thousand, twenty-three".