1310121332231 has 16 divisors (see below), whose sum is σ = 1341555156000. Its totient is φ = 1278998832000.

The previous prime is 1310121332147. The next prime is 1310121332263. The reversal of 1310121332231 is 1322331210131.

It is a cyclic number.

It is not a de Polignac number, because 1310121332231 - 2³⁸ = 1035243425287 is a prime.

It is a super-2 number, since 2×1310121332231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310121332197 and 1310121332206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310121332131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50104421 + ... + 50130561.

It is an arithmetic number, because the mean of its divisors is an integer number (83847197250).

Almost surely, 2^{1310121332231} is an apocalyptic number.

1310121332231 is a deficient number, since it is larger than the sum of its proper divisors (31433823769).

1310121332231 is a wasteful number, since it uses less digits than its factorization.

1310121332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32050.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1310121332231 its reverse (1322331210131), we get a palindrome (2632452542362).

The spelling of 1310121332231 in words is "one trillion, three hundred ten billion, one hundred twenty-one million, three hundred thirty-two thousand, two hundred thirty-one".