131513544155 has 8 divisors (see below), whose sum is σ = 180361432032. Its totient is φ = 90180715968.

The previous prime is 131513544103. The next prime is 131513544157. The reversal of 131513544155 is 551445315131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131513544155 - 2⁶ = 131513544091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131513544157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878764882 + ... + 1878764951.

It is an arithmetic number, because the mean of its divisors is an integer number (22545179004).

Almost surely, 2^131513544155 is an apocalyptic number.

131513544155 is a deficient number, since it is larger than the sum of its proper divisors (48847887877).

131513544155 is an equidigital number, since it uses as much as digits as its factorization.

131513544155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757529845.

The product of its digits is 90000, while the sum is 38.

Adding to 131513544155 its reverse (551445315131), we get a palindrome (682958859286).

The spelling of 131513544155 in words is "one hundred thirty-one billion, five hundred thirteen million, five hundred forty-four thousand, one hundred fifty-five".