31423232413 has 8 divisors (see below), whose sum is σ = 31739342040. Its totient is φ = 31107220800.

The previous prime is 31423232369. The next prime is 31423232471.

It is a happy number.

31423232413 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 23773630969 + 7649601444 = 154187^2 + 87462^2 .

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 31423232413 - 2²¹ = 31421135261 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 (31423232473) 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, 738523 + ... + 779911.

It is an arithmetic number, because the mean of its divisors is an integer number (3967417755).

Almost surely, 2^31423232413 is an apocalyptic number.

It is an amenable number.

31423232413 is a deficient number, since it is larger than the sum of its proper divisors (316109627).

31423232413 is a wasteful number, since it uses less digits than its factorization.

31423232413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49007.

The product of its digits is 10368, while the sum is 28.

The spelling of 31423232413 in words is "thirty-one billion, four hundred twenty-three million, two hundred thirty-two thousand, four hundred thirteen".