131342342023331 has 4 divisors (see below), whose sum is σ = 132076098124200. Its totient is φ = 130608585922464.

The previous prime is 131342342023219. The next prime is 131342342023367. The reversal of 131342342023331 is 133320243243131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131342342023331 is a prime.

It is a super-2 number, since 2×131342342023331² (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 = 131342342023291 and 131342342023300.

It is not an unprimeable number, because it can be changed into a prime (131342342023931) 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, 366878050166 + ... + 366878050523.

It is an arithmetic number, because the mean of its divisors is an integer number (33019024531050).

Almost surely, 2^{131342342023331} is an apocalyptic number.

131342342023331 is a deficient number, since it is larger than the sum of its proper divisors (733756100869).

131342342023331 is an equidigital number, since it uses as much as digits as its factorization.

131342342023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733756100868.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 131342342023331 its reverse (133320243243131), we get a palindrome (264662585266462).

The spelling of 131342342023331 in words is "one hundred thirty-one trillion, three hundred forty-two billion, three hundred forty-two million, twenty-three thousand, three hundred thirty-one".