314431230021 has 4 divisors (see below), whose sum is σ = 419241640032. Its totient is φ = 209620820012.

The previous prime is 314431229977. The next prime is 314431230023. The reversal of 314431230021 is 120032134413.

It is a happy number.

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 314431230021 - 2¹⁰ = 314431228997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 314431229973 and 314431230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314431230023) 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, 52405205001 + ... + 52405205006.

It is an arithmetic number, because the mean of its divisors is an integer number (104810410008).

Almost surely, 2^314431230021 is an apocalyptic number.

It is an amenable number.

314431230021 is a deficient number, since it is larger than the sum of its proper divisors (104810410011).

314431230021 is a wasteful number, since it uses less digits than its factorization.

314431230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104810410010.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 314431230021 its reverse (120032134413), we get a palindrome (434463364434).

The spelling of 314431230021 in words is "three hundred fourteen billion, four hundred thirty-one million, two hundred thirty thousand, twenty-one".