131411223343231 has 4 divisors (see below), whose sum is σ = 141519778985032. Its totient is φ = 121302667701432.

The previous prime is 131411223343217. The next prime is 131411223343291. The reversal of 131411223343231 is 132343322114131.

It is a happy number.

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 131411223343231 - 2⁵ = 131411223343199 is a prime.

It is a super-2 number, since 2×131411223343231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131411223343291) 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, 5054277820881 + ... + 5054277820906.

It is an arithmetic number, because the mean of its divisors is an integer number (35379944746258).

Almost surely, 2^{131411223343231} is an apocalyptic number.

131411223343231 is a deficient number, since it is larger than the sum of its proper divisors (10108555641801).

131411223343231 is a wasteful number, since it uses less digits than its factorization.

131411223343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108555641800.

The product of its digits is 31104, while the sum is 34.

Adding to 131411223343231 its reverse (132343322114131), we get a palindrome (263754545457362).

The spelling of 131411223343231 in words is "one hundred thirty-one trillion, four hundred eleven billion, two hundred twenty-three million, three hundred forty-three thousand, two hundred thirty-one".