231377922857283 has 4 divisors (see below), whose sum is σ = 308503897143048. Its totient is φ = 154251948571520.

The previous prime is 231377922857269. The next prime is 231377922857287. The reversal of 231377922857283 is 382758229773132.

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 231377922857283 - 2⁴ = 231377922857267 is a prime.

It is a super-2 number, since 2×231377922857283² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231377922857287) 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, 38562987142878 + ... + 38562987142883.

It is an arithmetic number, because the mean of its divisors is an integer number (77125974285762).

Almost surely, 2^{231377922857283} is an apocalyptic number.

231377922857283 is a deficient number, since it is larger than the sum of its proper divisors (77125974285765).

231377922857283 is an equidigital number, since it uses as much as digits as its factorization.

231377922857283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77125974285764.

The product of its digits is 426746880, while the sum is 69.

The spelling of 231377922857283 in words is "two hundred thirty-one trillion, three hundred seventy-seven billion, nine hundred twenty-two million, eight hundred fifty-seven thousand, two hundred eighty-three".