3131426 has 8 divisors (see below), whose sum is σ = 4723920. Its totient is φ = 1556788.

The previous prime is 3131419. The next prime is 3131431. The reversal of 3131426 is 6241313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3131398 and 3131407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4016 + ... + 4731.

It is an arithmetic number, because the mean of its divisors is an integer number (590490).

Almost surely, 2^3131426 is an apocalyptic number.

3131426 is a deficient number, since it is larger than the sum of its proper divisors (1592494).

3131426 is a wasteful number, since it uses less digits than its factorization.

3131426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928.

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

The square root of 3131426 is about 1769.5835668315. The cubic root of 3131426 is about 146.3010302357.

Adding to 3131426 its reverse (6241313), we get a palindrome (9372739).

The spelling of 3131426 in words is "three million, one hundred thirty-one thousand, four hundred twenty-six".