3431305328 has 40 divisors (see below), whose sum is σ = 7292668656. Its totient is φ = 1551052800.

The previous prime is 3431305307. The next prime is 3431305363. The reversal of 3431305328 is 8235031343.

It is a super-2 number, since 2×3431305328² = 23547712507922375168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3431305294 and 3431305303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22001 + ... + 85712.

Almost surely, 2^3431305328 is an apocalyptic number.

It is an amenable number.

3431305328 is an abundant number, since it is smaller than the sum of its proper divisors (3861363328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3431305328 is a wasteful number, since it uses less digits than its factorization.

3431305328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107913 (or 107907 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3431305328 is about 58577.3448356957. The cubic root of 3431305328 is about 1508.2955678697.

The spelling of 3431305328 in words is "three billion, four hundred thirty-one million, three hundred five thousand, three hundred twenty-eight".