131345425402442 has 16 divisors (see below), whose sum is σ = 200444458010400. Its totient is φ = 64532719123440.

The previous prime is 131345425402441. The next prime is 131345425402453. The reversal of 131345425402442 is 244204524543131.

It is a junction number, because it is equal to n+sod(n) for n = 131345425402393 and 131345425402402.

It is not an unprimeable number, because it can be changed into a prime (131345425402441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528139592 + ... + 528388227.

It is an arithmetic number, because the mean of its divisors is an integer number (12527778625650).

Almost surely, 2^{131345425402442} is an apocalyptic number.

131345425402442 is a deficient number, since it is larger than the sum of its proper divisors (69099032607958).

131345425402442 is a wasteful number, since it uses less digits than its factorization.

131345425402442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056528901.

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 131345425402442 its reverse (244204524543131), we get a palindrome (375549949945573).

The spelling of 131345425402442 in words is "one hundred thirty-one trillion, three hundred forty-five billion, four hundred twenty-five million, four hundred two thousand, four hundred forty-two".