315143434022 has 4 divisors (see below), whose sum is σ = 472715151036. Its totient is φ = 157571717010.

The previous prime is 315143433989. The next prime is 315143434027. The reversal of 315143434022 is 220434341513.

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

It is a self number, because there is not a number n which added to its sum of digits gives 315143434022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315143434027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78785858504 + ... + 78785858507.

It is an arithmetic number, because the mean of its divisors is an integer number (118178787759).

Almost surely, 2^315143434022 is an apocalyptic number.

315143434022 is a deficient number, since it is larger than the sum of its proper divisors (157571717014).

315143434022 is a wasteful number, since it uses less digits than its factorization.

315143434022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157571717013.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 315143434022 its reverse (220434341513), we get a palindrome (535577775535).

The spelling of 315143434022 in words is "three hundred fifteen billion, one hundred forty-three million, four hundred thirty-four thousand, twenty-two".