131403520314442 has 32 divisors (see below), whose sum is σ = 208764331776000. Its totient is φ = 61817805358848.

The previous prime is 131403520314439. The next prime is 131403520314541. The reversal of 131403520314442 is 244413025304131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3102850684 + ... + 3102893032.

It is an arithmetic number, because the mean of its divisors is an integer number (6523885368000).

Almost surely, 2^{131403520314442} is an apocalyptic number.

131403520314442 is a deficient number, since it is larger than the sum of its proper divisors (77360811461558).

131403520314442 is a wasteful number, since it uses less digits than its factorization.

131403520314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68470.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 131403520314442 its reverse (244413025304131), we get a palindrome (375816545618573).

The spelling of 131403520314442 in words is "one hundred thirty-one trillion, four hundred three billion, five hundred twenty million, three hundred fourteen thousand, four hundred forty-two".