231122121310 has 64 divisors (see below), whose sum is σ = 434206967040. Its totient is φ = 88498126080.

The previous prime is 231122121301. The next prime is 231122121311. The reversal of 231122121310 is 13121221132.

It is a super-2 number, since 2×231122121310² (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 (231122121311) 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, 13223197 + ... + 13240663.

It is an arithmetic number, because the mean of its divisors is an integer number (6784483860).

Almost surely, 2^231122121310 is an apocalyptic number.

231122121310 is a deficient number, since it is larger than the sum of its proper divisors (203084845730).

231122121310 is a wasteful number, since it uses less digits than its factorization.

231122121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 231122121310 its reverse (13121221132), we get a palindrome (244243342442).

The spelling of 231122121310 in words is "two hundred thirty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, three hundred ten".