3131003021323 has 16 divisors (see below), whose sum is σ = 3257492544000. Its totient is φ = 3006744635232.

The previous prime is 3131003021299. The next prime is 3131003021329. The reversal of 3131003021323 is 3231203001313.

3131003021323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131003021323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131003021294 and 3131003021303.

It is not an unprimeable number, because it can be changed into a prime (3131003021329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8049948 + ... + 8429926.

It is an arithmetic number, because the mean of its divisors is an integer number (203593284000).

Almost surely, 2^{3131003021323} is an apocalyptic number.

3131003021323 is a deficient number, since it is larger than the sum of its proper divisors (126489522677).

3131003021323 is a wasteful number, since it uses less digits than its factorization.

3131003021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382914.

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

Adding to 3131003021323 its reverse (3231203001313), we get a palindrome (6362206022636).

The spelling of 3131003021323 in words is "three trillion, one hundred thirty-one billion, three million, twenty-one thousand, three hundred twenty-three".