1231031323301 has 32 divisors (see below), whose sum is σ = 1478044713600. Its totient is φ = 1012891944960.

The previous prime is 1231031323283. The next prime is 1231031323303. The reversal of 1231031323301 is 1033231301321.

It is a cyclic number.

It is not a de Polignac number, because 1231031323301 - 2⁶ = 1231031323237 is a prime.

It is a super-2 number, since 2×1231031323301² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231031323303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14111345 + ... + 14198313.

It is an arithmetic number, because the mean of its divisors is an integer number (46188897300).

Almost surely, 2^{1231031323301} is an apocalyptic number.

It is an amenable number.

1231031323301 is a deficient number, since it is larger than the sum of its proper divisors (247013390299).

1231031323301 is a wasteful number, since it uses less digits than its factorization.

1231031323301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90389.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1231031323301 its reverse (1033231301321), we get a palindrome (2264262624622).

The spelling of 1231031323301 in words is "one trillion, two hundred thirty-one billion, thirty-one million, three hundred twenty-three thousand, three hundred one".