131403311241020 has 48 divisors (see below), whose sum is σ = 339627019827648. Its totient is φ = 41586982018560.

The previous prime is 131403311241017. The next prime is 131403311241029. The reversal of 131403311241020 is 20142113304131.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403311241029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36099808961 + ... + 36099812600.

It is an arithmetic number, because the mean of its divisors is an integer number (7075562913076).

Almost surely, 2^{131403311241020} is an apocalyptic number.

131403311241020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403311241020 is an abundant number, since it is smaller than the sum of its proper divisors (208223708586628).

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

131403311241020 is a wasteful number, since it uses less digits than its factorization.

131403311241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72199621590 (or 72199621588 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131403311241020 its reverse (20142113304131), we get a palindrome (151545424545151).

The spelling of 131403311241020 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred forty-one thousand, twenty".