131115320540402 has 32 divisors (see below), whose sum is σ = 216643784189760. Its totient is φ = 59017856325120.

The previous prime is 131115320540381. The next prime is 131115320540417. The reversal of 131115320540402 is 204045023511131.

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, 20690627 + ... + 26274182.

It is an arithmetic number, because the mean of its divisors is an integer number (6770118255930).

Almost surely, 2^{131115320540402} is an apocalyptic number.

131115320540402 is a deficient number, since it is larger than the sum of its proper divisors (85528463649358).

131115320540402 is a wasteful number, since it uses less digits than its factorization.

131115320540402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46966058.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 131115320540402 in words is "one hundred thirty-one trillion, one hundred fifteen billion, three hundred twenty million, five hundred forty thousand, four hundred two".