131403311241021 has 64 divisors (see below), whose sum is σ = 197379934963200. Its totient is φ = 87466723568640.

The previous prime is 131403311241017. The next prime is 131403311241029. The reversal of 131403311241021 is 120142113304131.

131403311241021 is a `hidden beast` number, since 1 + 3 + 1 + 403 + 3 + 11 + 241 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 131403311241021 - 2² = 131403311241017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 4356714181 + ... + 4356744341.

It is an arithmetic number, because the mean of its divisors is an integer number (3084061483800).

Almost surely, 2^{131403311241021} is an apocalyptic number.

It is an amenable number.

131403311241021 is a deficient number, since it is larger than the sum of its proper divisors (65976623722179).

131403311241021 is an frugal number, since it uses more digits than its factorization.

131403311241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33198 (or 33180 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 131403311241021 its reverse (120142113304131), we get a palindrome (251545424545152).

The spelling of 131403311241021 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred forty-one thousand, twenty-one".