131402304101442 has 32 divisors (see below), whose sum is σ = 292795849764864. Its totient is φ = 38971669816400.

The previous prime is 131402304101389. The next prime is 131402304101461. The reversal of 131402304101442 is 244101403204131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21180252234 + ... + 21180258437.

It is an arithmetic number, because the mean of its divisors is an integer number (9149870305152).

Almost surely, 2^{131402304101442} is an apocalyptic number.

131402304101442 is an abundant number, since it is smaller than the sum of its proper divisors (161393545663422).

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

131402304101442 is a wasteful number, since it uses less digits than its factorization.

131402304101442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42360510734.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 131402304101442 its reverse (244101403204131), we get a palindrome (375503707305573).

The spelling of 131402304101442 in words is "one hundred thirty-one trillion, four hundred two billion, three hundred four million, one hundred one thousand, four hundred forty-two".