3131012423 has 32 divisors (see below), whose sum is σ = 3956594688. Its totient is φ = 2406816000.

The previous prime is 3131012419. The next prime is 3131012447. The reversal of 3131012423 is 3242101313.

It is a cyclic number.

It is not a de Polignac number, because 3131012423 - 2² = 3131012419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131012395 and 3131012404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131012123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2853611 + ... + 2854707.

It is an arithmetic number, because the mean of its divisors is an integer number (123643584).

Almost surely, 2^3131012423 is an apocalyptic number.

3131012423 is a deficient number, since it is larger than the sum of its proper divisors (825582265).

3131012423 is a wasteful number, since it uses less digits than its factorization.

3131012423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3131012423 is about 55955.4503422142. The cubic root of 3131012423 is about 1462.9458914406.

Adding to 3131012423 its reverse (3242101313), we get a palindrome (6373113736).

The spelling of 3131012423 in words is "three billion, one hundred thirty-one million, twelve thousand, four hundred twenty-three".