316151218442 has 8 divisors (see below), whose sum is σ = 477409558500. Its totient is φ = 157014698944.

The previous prime is 316151218429. The next prime is 316151218459. The reversal of 316151218442 is 244812151613.

It can be written as a sum of positive squares in 2 ways, for example, as 225255601321 + 90895617121 = 474611^2 + 301489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×316151218442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 316151218396 and 316151218405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530454767 + ... + 530455362.

Almost surely, 2^316151218442 is an apocalyptic number.

316151218442 is a deficient number, since it is larger than the sum of its proper divisors (161258340058).

316151218442 is a wasteful number, since it uses less digits than its factorization.

316151218442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060910280.

The product of its digits is 46080, while the sum is 38.

The spelling of 316151218442 in words is "three hundred sixteen billion, one hundred fifty-one million, two hundred eighteen thousand, four hundred forty-two".