3161312940290 has 8 divisors (see below), whose sum is σ = 5690363292540. Its totient is φ = 1264525176112.

The previous prime is 3161312940283. The next prime is 3161312940299. The reversal of 3161312940290 is 920492131613.

It can be written as a sum of positive squares in 2 ways, for example, as 3012414968161 + 148897972129 = 1735631^2 + 385873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3161312940299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158065647005 + ... + 158065647024.

Almost surely, 2^{3161312940290} is an apocalyptic number.

3161312940290 is a deficient number, since it is larger than the sum of its proper divisors (2529050352250).

3161312940290 is a wasteful number, since it uses less digits than its factorization.

3161312940290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316131294036.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 3161312940290 in words is "three trillion, one hundred sixty-one billion, three hundred twelve million, nine hundred forty thousand, two hundred ninety".