3113772081 has 24 divisors (see below), whose sum is σ = 4832936064. Its totient is φ = 1778041440.

The previous prime is 3113772073. The next prime is 3113772083. The reversal of 3113772081 is 1802773113.

It is not a de Polignac number, because 3113772081 - 2³ = 3113772073 is a prime.

It is a super-2 number, since 2×3113772081² = 19391153144830141122, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3113772083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226011 + ... + 239391.

It is an arithmetic number, because the mean of its divisors is an integer number (201372336).

Almost surely, 2^3113772081 is an apocalyptic number.

It is an amenable number.

3113772081 is a deficient number, since it is larger than the sum of its proper divisors (1719163983).

3113772081 is a wasteful number, since it uses less digits than its factorization.

3113772081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14981 (or 14974 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 3113772081 is about 55801.1835089544. The cubic root of 3113772081 is about 1460.2558007103.

The spelling of 3113772081 in words is "three billion, one hundred thirteen million, seven hundred seventy-two thousand, eighty-one".