231320042310 has 96 divisors (see below), whose sum is σ = 650085288192. Its totient is φ = 52522948800.

The previous prime is 231320042267. The next prime is 231320042333. The reversal of 231320042310 is 13240023132.

It is a super-2 number, since 2×231320042310² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 299092 + ... + 743031.

It is an arithmetic number, because the mean of its divisors is an integer number (6771721752).

Almost surely, 2^231320042310 is an apocalyptic number.

231320042310 is an abundant number, since it is smaller than the sum of its proper divisors (418765245882).

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

231320042310 is a wasteful number, since it uses less digits than its factorization.

231320042310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042298 (or 1042291 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231320042310 its reverse (13240023132), we get a palindrome (244560065442).

The spelling of 231320042310 in words is "two hundred thirty-one billion, three hundred twenty million, forty-two thousand, three hundred ten".