131231014045 has 16 divisors (see below), whose sum is σ = 162389260800. Its totient is φ = 101753489664.

The previous prime is 131231014043. The next prime is 131231014067. The reversal of 131231014045 is 540410132131.

It is a cyclic number.

It is not a de Polignac number, because 131231014045 - 2¹ = 131231014043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131231014043) 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 15 ways as a sum of consecutive naturals, for example, 2686620 + ... + 2735029.

It is an arithmetic number, because the mean of its divisors is an integer number (10149328800).

Almost surely, 2^131231014045 is an apocalyptic number.

It is an amenable number.

131231014045 is a deficient number, since it is larger than the sum of its proper divisors (31158246755).

131231014045 is a wasteful number, since it uses less digits than its factorization.

131231014045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421804.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 131231014045 its reverse (540410132131), we get a palindrome (671641146176).

The spelling of 131231014045 in words is "one hundred thirty-one billion, two hundred thirty-one million, fourteen thousand, forty-five".