3161373521 has 8 divisors (see below), whose sum is σ = 3324927744. Its totient is φ = 3001667760.

The previous prime is 3161373517. The next prime is 3161373563. The reversal of 3161373521 is 1253731613.

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 3161373521 - 2² = 3161373517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3161373221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960431 + ... + 963716.

It is an arithmetic number, because the mean of its divisors is an integer number (415615968).

Almost surely, 2^3161373521 is an apocalyptic number.

3161373521 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3161373521 is a deficient number, since it is larger than the sum of its proper divisors (163554223).

3161373521 is a wasteful number, since it uses less digits than its factorization.

3161373521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924231.

The product of its digits is 11340, while the sum is 32.

The square root of 3161373521 is about 56226.0928839983. The cubic root of 3161373521 is about 1467.6593662124.

The spelling of 3161373521 in words is "three billion, one hundred sixty-one million, three hundred seventy-three thousand, five hundred twenty-one".