3231323131 has 8 divisors (see below), whose sum is σ = 3255920640. Its totient is φ = 3206745192.

The previous prime is 3231323129. The next prime is 3231323143. The reversal of 3231323131 is 1313231323.

3231323131 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 3231323131 - 2¹ = 3231323129 is a prime.

It is a super-3 number, since 3×3231323131³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3231323191) 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, 651246 + ... + 656188.

It is an arithmetic number, because the mean of its divisors is an integer number (406990080).

Almost surely, 2^3231323131 is an apocalyptic number.

3231323131 is a deficient number, since it is larger than the sum of its proper divisors (24597509).

3231323131 is a wasteful number, since it uses less digits than its factorization.

3231323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785.

The product of its digits is 972, while the sum is 22.

The square root of 3231323131 is about 56844.7282604113. The cubic root of 3231323131 is about 1478.4051378040.

Adding to 3231323131 its reverse (1313231323), we get a palindrome (4544554454).

The spelling of 3231323131 in words is "three billion, two hundred thirty-one million, three hundred twenty-three thousand, one hundred thirty-one".