3131011323 has 12 divisors (see below), whose sum is σ = 4933714968. Its totient is φ = 1897582560.

The previous prime is 3131011313. The next prime is 3131011333. The reversal of 3131011323 is 3231101313.

It is a happy number.

3131011323 is a `hidden beast` number, since 31 + 310 + 1 + 1 + 323 = 666.

It is an interprime number because it is at equal distance from previous prime (3131011313) and next prime (3131011333).

It is not a de Polignac number, because 3131011323 - 2⁹ = 3131010811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3131011296 and 3131011305.

It is not an unprimeable number, because it can be changed into a prime (3131011313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15813090 + ... + 15813287.

It is an arithmetic number, because the mean of its divisors is an integer number (411142914).

Almost surely, 2^3131011323 is an apocalyptic number.

3131011323 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3131011323 is a deficient number, since it is larger than the sum of its proper divisors (1802703645).

3131011323 is a wasteful number, since it uses less digits than its factorization.

3131011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31626394 (or 31626391 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3131011323 is about 55955.4405129653. The cubic root of 3131011323 is about 1462.9457201179.

Adding to 3131011323 its reverse (3231101313), we get a palindrome (6362112636).

The spelling of 3131011323 in words is "three billion, one hundred thirty-one million, eleven thousand, three hundred twenty-three".