1310023121231 has 8 divisors (see below), whose sum is σ = 1432431952128. Its totient is φ = 1188166927000.

The previous prime is 1310023121203. The next prime is 1310023121237. The reversal of 1310023121231 is 1321213200131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1310023121231 - 2³⁰ = 1308949379407 is a prime.

It is a super-2 number, since 2×1310023121231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310023121237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138154205 + ... + 138163686.

It is an arithmetic number, because the mean of its divisors is an integer number (179053994016).

Almost surely, 2^{1310023121231} is an apocalyptic number.

1310023121231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1310023121231 is a deficient number, since it is larger than the sum of its proper divisors (122408830897).

1310023121231 is a wasteful number, since it uses less digits than its factorization.

1310023121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276318333.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1310023121231 its reverse (1321213200131), we get a palindrome (2631236321362).

The spelling of 1310023121231 in words is "one trillion, three hundred ten billion, twenty-three million, one hundred twenty-one thousand, two hundred thirty-one".