3131023 has 8 divisors (see below), whose sum is σ = 3590048. Its totient is φ = 2674944.

The previous prime is 3131021. The next prime is 3131027. The reversal of 3131023 is 3201313.

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 3131023 - 2¹ = 3131021 is a prime.

3131023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3130994 and 3131012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131021) 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, 2515 + ... + 3547.

It is an arithmetic number, because the mean of its divisors is an integer number (448756).

Almost surely, 2^3131023 is an apocalyptic number.

3131023 is a deficient number, since it is larger than the sum of its proper divisors (459025).

3131023 is a wasteful number, since it uses less digits than its factorization.

3131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3131023 is about 1769.4696945695. The cubic root of 3131023 is about 146.2947538784.

Adding to 3131023 its reverse (3201313), we get a palindrome (6332336).

The spelling of 3131023 in words is "three million, one hundred thirty-one thousand, twenty-three".