3031253145 has 64 divisors (see below), whose sum is σ = 5668208640. Its totient is φ = 1534002624.

The previous prime is 3031253143. The next prime is 3031253149. The reversal of 3031253145 is 5413521303.

3031253145 is a `hidden beast` number, since 30 + 312 + 5 + 314 + 5 = 666.

It is not a de Polignac number, because 3031253145 - 2¹ = 3031253143 is a prime.

It is a super-3 number, since 3×3031253145³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3031253143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 390492 + ... + 398178.

It is an arithmetic number, because the mean of its divisors is an integer number (88565760).

Almost surely, 2^3031253145 is an apocalyptic number.

It is an amenable number.

3031253145 is a deficient number, since it is larger than the sum of its proper divisors (2636955495).

3031253145 is a wasteful number, since it uses less digits than its factorization.

3031253145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851 (or 7845 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3031253145 is about 55056.8174252744. The cubic root of 3031253145 is about 1447.2405935317.

Adding to 3031253145 its reverse (5413521303), we get a palindrome (8444774448).

The spelling of 3031253145 in words is "three billion, thirty-one million, two hundred fifty-three thousand, one hundred forty-five".