3020313231 has 32 divisors (see below), whose sum is σ = 4822917120. Its totient is φ = 1857040992.

The previous prime is 3020313223. The next prime is 3020313253. The reversal of 3020313231 is 1323130203.

It is not a de Polignac number, because 3020313231 - 2³ = 3020313223 is a prime.

It is a super-2 number, since 2×3020313231² = 18244584026707318722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020313031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496450 + ... + 502496.

It is an arithmetic number, because the mean of its divisors is an integer number (150716160).

Almost surely, 2^3020313231 is an apocalyptic number.

3020313231 is a deficient number, since it is larger than the sum of its proper divisors (1802603889).

3020313231 is a wasteful number, since it uses less digits than its factorization.

3020313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7492 (or 7486 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 3020313231 is about 54957.3764930605. The cubic root of 3020313231 is about 1445.4974450616.

Adding to 3020313231 its reverse (1323130203), we get a palindrome (4343443434).

It can be divided in two parts, 30203 and 13231, that added together give a palindrome (43434).

The spelling of 3020313231 in words is "three billion, twenty million, three hundred thirteen thousand, two hundred thirty-one".