210231131023 has 8 divisors (see below), whose sum is σ = 222620328720. Its totient is φ = 197844451200.

The previous prime is 210231131009. The next prime is 210231131027. The reversal of 210231131023 is 320131132012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210231131023 - 2²⁵ = 210197576591 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 (210231131027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456193 + ... + 792826.

It is an arithmetic number, because the mean of its divisors is an integer number (27827541090).

Almost surely, 2^210231131023 is an apocalyptic number.

210231131023 is a deficient number, since it is larger than the sum of its proper divisors (12389197697).

210231131023 is a wasteful number, since it uses less digits than its factorization.

210231131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258937.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210231131023 its reverse (320131132012), we get a palindrome (530362263035).

The spelling of 210231131023 in words is "two hundred ten billion, two hundred thirty-one million, one hundred thirty-one thousand, twenty-three".