1231311122310 has 16 divisors (see below), whose sum is σ = 2955146693616. Its totient is φ = 328349632608.

The previous prime is 1231311122309. The next prime is 1231311122341. The reversal of 1231311122310 is 132211131321.

It is a super-2 number, since 2×1231311122310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20521852009 + ... + 20521852068.

It is an arithmetic number, because the mean of its divisors is an integer number (184696668351).

Almost surely, 2^{1231311122310} is an apocalyptic number.

1231311122310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231311122310 is an abundant number, since it is smaller than the sum of its proper divisors (1723835571306).

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

1231311122310 is a wasteful number, since it uses less digits than its factorization.

1231311122310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41043704087.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1231311122310 its reverse (132211131321), we get a palindrome (1363522253631).

The spelling of 1231311122310 in words is "one trillion, two hundred thirty-one billion, three hundred eleven million, one hundred twenty-two thousand, three hundred ten".