231310321022 has 8 divisors (see below), whose sum is σ = 378507798072. Its totient is φ = 105141055000.

The previous prime is 231310321009. The next prime is 231310321061. The reversal of 231310321022 is 220123013132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231310321022² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231310320985 and 231310321003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5257052729 + ... + 5257052772.

It is an arithmetic number, because the mean of its divisors is an integer number (47313474759).

Almost surely, 2^231310321022 is an apocalyptic number.

231310321022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231310321022 is a deficient number, since it is larger than the sum of its proper divisors (147197477050).

231310321022 is a wasteful number, since it uses less digits than its factorization.

231310321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514105514.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231310321022 its reverse (220123013132), we get a palindrome (451433334154).

The spelling of 231310321022 in words is "two hundred thirty-one billion, three hundred ten million, three hundred twenty-one thousand, twenty-two".