131031857203 has 8 divisors (see below), whose sum is σ = 148538138000. Its totient is φ = 114586563168.

The previous prime is 131031857197. The next prime is 131031857249. The reversal of 131031857203 is 302758130131.

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

It is a cyclic number.

It is not a de Polignac number, because 131031857203 - 2³³ = 122441922611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131031857263) 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, 265246428 + ... + 265246921.

It is an arithmetic number, because the mean of its divisors is an integer number (18567267250).

Almost surely, 2^131031857203 is an apocalyptic number.

131031857203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131031857203 is a deficient number, since it is larger than the sum of its proper divisors (17506280797).

131031857203 is a wasteful number, since it uses less digits than its factorization.

131031857203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530493381.

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 131031857203 its reverse (302758130131), we get a palindrome (433789987334).

The spelling of 131031857203 in words is "one hundred thirty-one billion, thirty-one million, eight hundred fifty-seven thousand, two hundred three".