3112555001 has 4 divisors (see below), whose sum is σ = 3112735332. Its totient is φ = 3112374672.

The previous prime is 3112554983. The next prime is 3112555067. The reversal of 3112555001 is 1005552113.

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: 1005552113 = 449 ⋅2239537.

It can be written as a sum of positive squares in 2 ways, for example, as 3036010000 + 76545001 = 55100^2 + 8749^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112555001 - 2²⁶ = 3045446137 is a prime.

It is a super-2 number, since 2×3112555001² = 19375997268500220002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112554001) 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, 61166 + ... + 99831.

It is an arithmetic number, because the mean of its divisors is an integer number (778183833).

Almost surely, 2^3112555001 is an apocalyptic number.

It is an amenable number.

3112555001 is a deficient number, since it is larger than the sum of its proper divisors (180331).

3112555001 is a wasteful number, since it uses less digits than its factorization.

3112555001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180330.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 3112555001 is about 55790.2769396245. The cubic root of 3112555001 is about 1460.0655192027.

The spelling of 3112555001 in words is "three billion, one hundred twelve million, five hundred fifty-five thousand, one".