3132121331 has 8 divisors (see below), whose sum is σ = 3150870528. Its totient is φ = 3113397000.

The previous prime is 3132121309. The next prime is 3132121379. The reversal of 3132121331 is 1331212313.

3132121331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3132121331 - 2³⁰ = 2058379507 is a prime.

It is a super-2 number, since 2×3132121331² = 19620368064210423122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3132121631) 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, 287066 + ... + 297776.

It is an arithmetic number, because the mean of its divisors is an integer number (393858816).

Almost surely, 2^3132121331 is an apocalyptic number.

3132121331 is a deficient number, since it is larger than the sum of its proper divisors (18749197).

3132121331 is a wasteful number, since it uses less digits than its factorization.

3132121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433.

The product of its digits is 324, while the sum is 20.

The square root of 3132121331 is about 55965.3583120844. The cubic root of 3132121331 is about 1463.1185811547.

Adding to 3132121331 its reverse (1331212313), we get a palindrome (4463333644).

The spelling of 3132121331 in words is "three billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred thirty-one".