231046458779 has 2 divisors, whose sum is σ = 231046458780. Its totient is φ = 231046458778.

The previous prime is 231046458757. The next prime is 231046458787. The reversal of 231046458779 is 977854640132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231046458779 - 2¹⁶ = 231046393243 is a prime.

It is a super-2 number, since 2×231046458779² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231046458739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115523229389 + 115523229390.

It is an arithmetic number, because the mean of its divisors is an integer number (115523229390).

It is a 1-persistent number, because it is pandigital, but 2⋅231046458779 = 462092917558 is not.

Almost surely, 2^231046458779 is an apocalyptic number.

231046458779 is a deficient number, since it is larger than the sum of its proper divisors (1).

231046458779 is an equidigital number, since it uses as much as digits as its factorization.

231046458779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 231046458779 in words is "two hundred thirty-one billion, forty-six million, four hundred fifty-eight thousand, seven hundred seventy-nine".