351131242561 has 8 divisors (see below), whose sum is σ = 383056789248. Its totient is φ = 319206450000.

The previous prime is 351131242537. The next prime is 351131242573. The reversal of 351131242561 is 165242131153.

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

It is a cyclic number.

It is not a de Polignac number, because 351131242561 - 2⁵ = 351131242529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351131242361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287511 + ... + 1536211.

It is an arithmetic number, because the mean of its divisors is an integer number (47882098656).

Almost surely, 2^351131242561 is an apocalyptic number.

It is an amenable number.

351131242561 is a deficient number, since it is larger than the sum of its proper divisors (31925546687).

351131242561 is a wasteful number, since it uses less digits than its factorization.

351131242561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377063.

The product of its digits is 21600, while the sum is 34.

The spelling of 351131242561 in words is "three hundred fifty-one billion, one hundred thirty-one million, two hundred forty-two thousand, five hundred sixty-one".