131102231545 has 16 divisors (see below), whose sum is σ = 162788040000. Its totient is φ = 101240008128.

The previous prime is 131102231537. The next prime is 131102231587. The reversal of 131102231545 is 545132201131.

It is a cyclic number.

It is not a de Polignac number, because 131102231545 - 2³ = 131102231537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484066 + ... + 704644.

It is an arithmetic number, because the mean of its divisors is an integer number (10174252500).

Almost surely, 2^131102231545 is an apocalyptic number.

It is an amenable number.

131102231545 is a deficient number, since it is larger than the sum of its proper divisors (31685808455).

131102231545 is a wasteful number, since it uses less digits than its factorization.

131102231545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224712.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 131102231545 its reverse (545132201131), we get a palindrome (676234432676).

The spelling of 131102231545 in words is "one hundred thirty-one billion, one hundred two million, two hundred thirty-one thousand, five hundred forty-five".