3161145251 has 8 divisors (see below), whose sum is σ = 3463325424. Its totient is φ = 2861432320.

The previous prime is 3161145199. The next prime is 3161145289. The reversal of 3161145251 is 1525411613.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3161145251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161145751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614126 + ... + 619251.

It is an arithmetic number, because the mean of its divisors is an integer number (432915678).

Almost surely, 2^3161145251 is an apocalyptic number.

3161145251 is a deficient number, since it is larger than the sum of its proper divisors (302180173).

3161145251 is a wasteful number, since it uses less digits than its factorization.

3161145251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233621.

The product of its digits is 3600, while the sum is 29.

The square root of 3161145251 is about 56224.0629179358. The cubic root of 3161145251 is about 1467.6240407792.

Adding to 3161145251 its reverse (1525411613), we get a palindrome (4686556864).

The spelling of 3161145251 in words is "three billion, one hundred sixty-one million, one hundred forty-five thousand, two hundred fifty-one".