131870487101 has 4 divisors (see below), whose sum is σ = 131872877472. Its totient is φ = 131868096732.

The previous prime is 131870487061. The next prime is 131870487137. The reversal of 131870487101 is 101784078131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131870487101 - 2⁶ = 131870487037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131870480101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110431 + ... + 1223436.

It is an arithmetic number, because the mean of its divisors is an integer number (32968219368).

Almost surely, 2^131870487101 is an apocalyptic number.

It is an amenable number.

131870487101 is a deficient number, since it is larger than the sum of its proper divisors (2390371).

131870487101 is an equidigital number, since it uses as much as digits as its factorization.

131870487101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390370.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 131870487101 in words is "one hundred thirty-one billion, eight hundred seventy million, four hundred eighty-seven thousand, one hundred one".