231210013222320 has 80 divisors (see below), whose sum is σ = 781910226542592. Its totient is φ = 56050912295680.

The previous prime is 231210013222301. The next prime is 231210013222381. The reversal of 231210013222320 is 23222310012132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43789772592 + ... + 43789777871.

Almost surely, 2^{231210013222320} is an apocalyptic number.

231210013222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231210013222320 is an abundant number, since it is smaller than the sum of its proper divisors (550700213320272).

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

231210013222320 is a wasteful number, since it uses less digits than its factorization.

231210013222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87579550490 (or 87579550484 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231210013222320 its reverse (23222310012132), we get a palindrome (254432323234452).

The spelling of 231210013222320 in words is "two hundred thirty-one trillion, two hundred ten billion, thirteen million, two hundred twenty-two thousand, three hundred twenty".