313443138146 has 8 divisors (see below), whose sum is σ = 486377283420. Its totient is φ = 151317377008.

The previous prime is 313443138103. The next prime is 313443138251. The reversal of 313443138146 is 641831344313.

It can be written as a sum of positive squares in 2 ways, for example, as 305710573921 + 7732564225 = 552911^2 + 87935^2 .

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

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, 2702095961 + ... + 2702096076.

Almost surely, 2^313443138146 is an apocalyptic number.

313443138146 is a deficient number, since it is larger than the sum of its proper divisors (172934145274).

313443138146 is a wasteful number, since it uses less digits than its factorization.

313443138146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404192068.

The product of its digits is 248832, while the sum is 41.

The spelling of 313443138146 in words is "three hundred thirteen billion, four hundred forty-three million, one hundred thirty-eight thousand, one hundred forty-six".