3331398531 has 8 divisors (see below), whose sum is σ = 4442380624. Its totient is φ = 2220674400.

The previous prime is 3331398529. The next prime is 3331398559. The reversal of 3331398531 is 1358931333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3331398531 - 2¹ = 3331398529 is a prime.

It is a super-2 number, since 2×3331398531² = 22196432344697915922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3331398531.

It is not an unprimeable number, because it can be changed into a prime (3331398571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32020 + ... + 87681.

It is an arithmetic number, because the mean of its divisors is an integer number (555297578).

Almost surely, 2^3331398531 is an apocalyptic number.

3331398531 is a deficient number, since it is larger than the sum of its proper divisors (1110982093).

3331398531 is a wasteful number, since it uses less digits than its factorization.

3331398531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128981.

The product of its digits is 87480, while the sum is 39.

The square root of 3331398531 is about 57718.2686070883. The cubic root of 3331398531 is about 1493.5125051691.

The spelling of 3331398531 in words is "three billion, three hundred thirty-one million, three hundred ninety-eight thousand, five hundred thirty-one".