131402230311342 has 32 divisors (see below), whose sum is σ = 268929316478592. Its totient is φ = 42780033553824.

The previous prime is 131402230311323. The next prime is 131402230311349. The reversal of 131402230311342 is 243113032204131.

It is a super-2 number, since 2×131402230311342² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402230311349) 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, 7127173 + ... + 17708784.

It is an arithmetic number, because the mean of its divisors is an integer number (8404041139956).

Almost surely, 2^{131402230311342} is an apocalyptic number.

131402230311342 is an abundant number, since it is smaller than the sum of its proper divisors (137527086167250).

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

131402230311342 is a wasteful number, since it uses less digits than its factorization.

131402230311342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24856512.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131402230311342 its reverse (243113032204131), we get a palindrome (374515262515473).

The spelling of 131402230311342 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred thirty million, three hundred eleven thousand, three hundred forty-two".