131103231315510 has 16 divisors (see below), whose sum is σ = 314647755157296. Its totient is φ = 34960861684128.

The previous prime is 131103231315493. The next prime is 131103231315521. The reversal of 131103231315510 is 15513132301131.

It is a super-2 number, since 2×131103231315510² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4370107710517 = 131103231315510 / (1 + 3 + 1 + 1 + 0 + 3 + 2 + 3 + 1 + 3 + 1 + 5 + 5 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185053855229 + ... + 2185053855288.

It is an arithmetic number, because the mean of its divisors is an integer number (19665484697331).

Almost surely, 2^{131103231315510} is an apocalyptic number.

131103231315510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131103231315510 is an abundant number, since it is smaller than the sum of its proper divisors (183544523841786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131103231315510 is a wasteful number, since it uses less digits than its factorization.

131103231315510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370107710527.

The product of its (nonzero) digits is 4050, while the sum is 30.

Adding to 131103231315510 its reverse (15513132301131), we get a palindrome (146616363616641).

The spelling of 131103231315510 in words is "one hundred thirty-one trillion, one hundred three billion, two hundred thirty-one million, three hundred fifteen thousand, five hundred ten".