331116653351161 has 4 divisors (see below), whose sum is σ = 331143119405824. Its totient is φ = 331090187296500.

The previous prime is 331116653351149. The next prime is 331116653351189. The reversal of 331116653351161 is 161153356611133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331116653351161 - 2³⁹ = 330566897537273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331116653355161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13233008565 + ... + 13233033586.

It is an arithmetic number, because the mean of its divisors is an integer number (82785779851456).

Almost surely, 2^{331116653351161} is an apocalyptic number.

It is an amenable number.

331116653351161 is a deficient number, since it is larger than the sum of its proper divisors (26466054663).

331116653351161 is a wasteful number, since it uses less digits than its factorization.

331116653351161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26466054662.

The product of its digits is 437400, while the sum is 46.

The spelling of 331116653351161 in words is "three hundred thirty-one trillion, one hundred sixteen billion, six hundred fifty-three million, three hundred fifty-one thousand, one hundred sixty-one".