131201513045 has 16 divisors (see below), whose sum is σ = 162920108160. Its totient is φ = 101311205184.

The previous prime is 131201513041. The next prime is 131201513111. The reversal of 131201513045 is 540315102131.

It is a cyclic number.

It is not a de Polignac number, because 131201513045 - 2² = 131201513041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131201513041) 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, 350144 + ... + 620486.

It is an arithmetic number, because the mean of its divisors is an integer number (10182506760).

Almost surely, 2^131201513045 is an apocalyptic number.

It is an amenable number.

131201513045 is a deficient number, since it is larger than the sum of its proper divisors (31718595115).

131201513045 is a wasteful number, since it uses less digits than its factorization.

131201513045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273724.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 131201513045 its reverse (540315102131), we get a palindrome (671516615176).

The spelling of 131201513045 in words is "one hundred thirty-one billion, two hundred one million, five hundred thirteen thousand, forty-five".