313303131421 has 8 divisors (see below), whose sum is σ = 359935386624. Its totient is φ = 267139542480.

The previous prime is 313303131331. The next prime is 313303131523. The reversal of 313303131421 is 124131303313.

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 313303131421 - 2¹⁷ = 313303000349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313303131121) 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, 117165130 + ... + 117167803.

It is an arithmetic number, because the mean of its divisors is an integer number (44991923328).

Almost surely, 2^313303131421 is an apocalyptic number.

It is an amenable number.

313303131421 is a deficient number, since it is larger than the sum of its proper divisors (46632255203).

313303131421 is a wasteful number, since it uses less digits than its factorization.

313303131421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234333131.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 313303131421 its reverse (124131303313), we get a palindrome (437434434734).

The spelling of 313303131421 in words is "three hundred thirteen billion, three hundred three million, one hundred thirty-one thousand, four hundred twenty-one".