231046458780 has 96 divisors (see below), whose sum is σ = 662178553344. Its totient is φ = 60161036544.

The previous prime is 231046458779. The next prime is 231046458787. The reversal of 231046458780 is 87854640132.

It is a super-2 number, since 2×231046458780² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231046458787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9706974 + ... + 9730746.

It is an arithmetic number, because the mean of its divisors is an integer number (6897693264).

Almost surely, 2^231046458780 is an apocalyptic number.

231046458780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231046458780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331089276672).

231046458780 is an abundant number, since it is smaller than the sum of its proper divisors (431132094564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231046458780 is a wasteful number, since it uses less digits than its factorization.

231046458780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27595 (or 27593 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 231046458780 in words is "two hundred thirty-one billion, forty-six million, four hundred fifty-eight thousand, seven hundred eighty".