315214353422 has 4 divisors (see below), whose sum is σ = 472821530136. Its totient is φ = 157607176710.

The previous prime is 315214353383. The next prime is 315214353431. The reversal of 315214353422 is 224353412513.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×315214353422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78803588354 + ... + 78803588357.

It is an arithmetic number, because the mean of its divisors is an integer number (118205382534).

Almost surely, 2^315214353422 is an apocalyptic number.

315214353422 is a deficient number, since it is larger than the sum of its proper divisors (157607176714).

315214353422 is a wasteful number, since it uses less digits than its factorization.

315214353422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157607176713.

The product of its digits is 86400, while the sum is 35.

Adding to 315214353422 its reverse (224353412513), we get a palindrome (539567765935).

The spelling of 315214353422 in words is "three hundred fifteen billion, two hundred fourteen million, three hundred fifty-three thousand, four hundred twenty-two".