3131503423 has 8 divisors (see below), whose sum is σ = 3207117056. Its totient is φ = 3056016600.

The previous prime is 3131503421. The next prime is 3131503439. The reversal of 3131503423 is 3243051313.

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 3131503423 - 2¹ = 3131503421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131503421) 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, 19258 + ... + 81448.

It is an arithmetic number, because the mean of its divisors is an integer number (400889632).

Almost surely, 2^3131503423 is an apocalyptic number.

3131503423 is a deficient number, since it is larger than the sum of its proper divisors (75613633).

3131503423 is a wasteful number, since it uses less digits than its factorization.

3131503423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63405.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 3131503423 is about 55959.8375891139. The cubic root of 3131503423 is about 1463.0223596657.

Adding to 3131503423 its reverse (3243051313), we get a palindrome (6374554736).

The spelling of 3131503423 in words is "three billion, one hundred thirty-one million, five hundred three thousand, four hundred twenty-three".