3123402231 has 48 divisors (see below), whose sum is σ = 4665579264. Its totient is φ = 1848692736.

The previous prime is 3123402203. The next prime is 3123402281. The reversal of 3123402231 is 1322043213.

It is not a de Polignac number, because 3123402231 - 2⁵ = 3123402199 is a prime.

It is a super-2 number, since 2×3123402231² = 19511282993231554722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3123402198 and 3123402207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123402281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11036616 + ... + 11036898.

It is an arithmetic number, because the mean of its divisors is an integer number (97199568).

Almost surely, 2^3123402231 is an apocalyptic number.

3123402231 is a deficient number, since it is larger than the sum of its proper divisors (1542177033).

3123402231 is a wasteful number, since it uses less digits than its factorization.

3123402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3123402231 is about 55887.4067299602. The cubic root of 3123402231 is about 1461.7596583677.

Adding to 3123402231 its reverse (1322043213), we get a palindrome (4445445444).

The spelling of 3123402231 in words is "three billion, one hundred twenty-three million, four hundred two thousand, two hundred thirty-one".