2131116350242 has 32 divisors (see below), whose sum is σ = 3627463694400. Its totient is φ = 930118795200.

The previous prime is 2131116350203. The next prime is 2131116350261. The reversal of 2131116350242 is 2420536111312.

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, 9111892 + ... + 9342847.

It is an arithmetic number, because the mean of its divisors is an integer number (113358240450).

Almost surely, 2^{2131116350242} is an apocalyptic number.

2131116350242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2131116350242 is a deficient number, since it is larger than the sum of its proper divisors (1496347344158).

2131116350242 is a wasteful number, since it uses less digits than its factorization.

2131116350242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18454962.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 2131116350242 in words is "two trillion, one hundred thirty-one billion, one hundred sixteen million, three hundred fifty thousand, two hundred forty-two".