3161013091 has 4 divisors (see below), whose sum is σ = 3161611152. Its totient is φ = 3160415032.

The previous prime is 3161013083. The next prime is 3161013103. The reversal of 3161013091 is 1903101613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1903101613 = 7 ⋅271871659.

It is a cyclic number.

It is not a de Polignac number, because 3161013091 - 2³ = 3161013083 is a prime.

It is a super-2 number, since 2×3161013091² = 19984007522946748562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3161014091) 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, 291031 + ... + 301696.

It is an arithmetic number, because the mean of its divisors is an integer number (790402788).

Almost surely, 2^3161013091 is an apocalyptic number.

3161013091 is a deficient number, since it is larger than the sum of its proper divisors (598061).

3161013091 is an equidigital number, since it uses as much as digits as its factorization.

3161013091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598060.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 3161013091 is about 56222.8876081619. The cubic root of 3161013091 is about 1467.6035878651.

The spelling of 3161013091 in words is "three billion, one hundred sixty-one million, thirteen thousand, ninety-one".