231232021321283 has 2 divisors, whose sum is σ = 231232021321284. Its totient is φ = 231232021321282.

The previous prime is 231232021321277. The next prime is 231232021321319. The reversal of 231232021321283 is 382123120232132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231232021321283 - 2¹⁸ = 231232021059139 is a prime.

It is not a weakly prime, because it can be changed into another prime (231232021323283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115616010660641 + 115616010660642.

It is an arithmetic number, because the mean of its divisors is an integer number (115616010660642).

Almost surely, 2^{231232021321283} is an apocalyptic number.

231232021321283 is a deficient number, since it is larger than the sum of its proper divisors (1).

231232021321283 is an equidigital number, since it uses as much as digits as its factorization.

231232021321283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 231232021321283 in words is "two hundred thirty-one trillion, two hundred thirty-two billion, twenty-one million, three hundred twenty-one thousand, two hundred eighty-three".