313401421 has 4 divisors (see below), whose sum is σ = 314782272. Its totient is φ = 312020572.

The previous prime is 313401419. The next prime is 313401467. The reversal of 313401421 is 124104313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313401421 - 2¹ = 313401419 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 (313401821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690085 + ... + 690538.

It is an arithmetic number, because the mean of its divisors is an integer number (78695568).

Almost surely, 2^313401421 is an apocalyptic number.

It is an amenable number.

313401421 is a deficient number, since it is larger than the sum of its proper divisors (1380851).

313401421 is a wasteful number, since it uses less digits than its factorization.

313401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380850.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 313401421 is about 17703.1472060761. The cubic root of 313401421 is about 679.2562665852.

Adding to 313401421 its reverse (124104313), we get a palindrome (437505734).

It can be divided in two parts, 31340 and 1421, that added together give a square (32761 = 181²).

The spelling of 313401421 in words is "three hundred thirteen million, four hundred one thousand, four hundred twenty-one".