131001252045 has 32 divisors (see below), whose sum is σ = 210916742400. Its totient is φ = 69429327360.

The previous prime is 131001251981. The next prime is 131001252059. The reversal of 131001252045 is 540252100131.

It is a happy number.

It is not a de Polignac number, because 131001252045 - 2⁶ = 131001251981 is a prime.

It is a super-2 number, since 2×131001252045² (a number of 23 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 31 ways as a sum of consecutive naturals, for example, 14647275 + ... + 14656215.

It is an arithmetic number, because the mean of its divisors is an integer number (6591148200).

Almost surely, 2^131001252045 is an apocalyptic number.

131001252045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131001252045 is a deficient number, since it is larger than the sum of its proper divisors (79915490355).

131001252045 is a wasteful number, since it uses less digits than its factorization.

131001252045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14965.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 131001252045 its reverse (540252100131), we get a palindrome (671253352176).

The spelling of 131001252045 in words is "one hundred thirty-one billion, one million, two hundred fifty-two thousand, forty-five".