3345445631 has 24 divisors (see below), whose sum is σ = 3858336384. Its totient is φ = 2894760000.

The previous prime is 3345445603. The next prime is 3345445633. The reversal of 3345445631 is 1365445433.

It is not a de Polignac number, because 3345445631 - 2²⁶ = 3278336767 is a prime.

It is a super-2 number, since 2×3345445631² = 22384012939953976322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345445633) 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, 221501 + ... + 236121.

It is an arithmetic number, because the mean of its divisors is an integer number (160764016).

Almost surely, 2^3345445631 is an apocalyptic number.

3345445631 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3345445631 is a deficient number, since it is larger than the sum of its proper divisors (512890753).

3345445631 is a wasteful number, since it uses less digits than its factorization.

3345445631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14735 (or 14724 counting only the distinct ones).

The product of its digits is 259200, while the sum is 38.

The square root of 3345445631 is about 57839.8273769900. The cubic root of 3345445631 is about 1495.6087320182.

The spelling of 3345445631 in words is "three billion, three hundred forty-five million, four hundred forty-five thousand, six hundred thirty-one".