315354261142 has 4 divisors (see below), whose sum is σ = 473031391716. Its totient is φ = 157677130570.

The previous prime is 315354261109. The next prime is 315354261149. The reversal of 315354261142 is 241162453513.

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

It is a super-2 number, since 2×315354261142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315354261149) by changing a digit.

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, 78838565284 + ... + 78838565287.

It is an arithmetic number, because the mean of its divisors is an integer number (118257847929).

Almost surely, 2^315354261142 is an apocalyptic number.

315354261142 is a deficient number, since it is larger than the sum of its proper divisors (157677130574).

315354261142 is a wasteful number, since it uses less digits than its factorization.

315354261142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157677130573.

The product of its digits is 86400, while the sum is 37.

The spelling of 315354261142 in words is "three hundred fifteen billion, three hundred fifty-four million, two hundred sixty-one thousand, one hundred forty-two".