131413312202231 has 4 divisors (see below), whose sum is σ = 131488793715864. Its totient is φ = 131337830688600.

The previous prime is 131413312202213. The next prime is 131413312202273. The reversal of 131413312202231 is 132202213314131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131413312202231 - 2³⁰ = 131412238460407 is a prime.

It is a super-2 number, since 2×131413312202231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131413312202194 and 131413312202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131413312202201) 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, 37740754205 + ... + 37740757686.

It is an arithmetic number, because the mean of its divisors is an integer number (32872198428966).

Almost surely, 2^{131413312202231} is an apocalyptic number.

131413312202231 is a deficient number, since it is larger than the sum of its proper divisors (75481513633).

131413312202231 is an equidigital number, since it uses as much as digits as its factorization.

131413312202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75481513632.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131413312202231 its reverse (132202213314131), we get a palindrome (263615525516362).

The spelling of 131413312202231 in words is "one hundred thirty-one trillion, four hundred thirteen billion, three hundred twelve million, two hundred two thousand, two hundred thirty-one".