31012010323 has 4 divisors (see below), whose sum is σ = 35442297520. Its totient is φ = 26581723128.

The previous prime is 31012010291. The next prime is 31012010369. The reversal of 31012010323 is 32301021013.

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

It is a cyclic number.

It is not a de Polignac number, because 31012010323 - 2⁵ = 31012010291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31012010297 and 31012010306.

It is not an unprimeable number, because it can be changed into a prime (31012010023) 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, 2215143588 + ... + 2215143601.

It is an arithmetic number, because the mean of its divisors is an integer number (8860574380).

Almost surely, 2^31012010323 is an apocalyptic number.

31012010323 is a deficient number, since it is larger than the sum of its proper divisors (4430287197).

31012010323 is an equidigital number, since it uses as much as digits as its factorization.

31012010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430287196.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31012010323 its reverse (32301021013), we get a palindrome (63313031336).

The spelling of 31012010323 in words is "thirty-one billion, twelve million, ten thousand, three hundred twenty-three".