315493102 has 4 divisors (see below), whose sum is σ = 473239656. Its totient is φ = 157746550.

The previous prime is 315493099. The next prime is 315493127. The reversal of 315493102 is 201394513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201394513 = 3329 ⋅60497.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78873274 + ... + 78873277.

It is an arithmetic number, because the mean of its divisors is an integer number (118309914).

Almost surely, 2^315493102 is an apocalyptic number.

315493102 is a deficient number, since it is larger than the sum of its proper divisors (157746554).

315493102 is a wasteful number, since it uses less digits than its factorization.

315493102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157746553.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 315493102 is about 17762.1254921814. The cubic root of 315493102 is about 680.7640647436.

The spelling of 315493102 in words is "three hundred fifteen million, four hundred ninety-three thousand, one hundred two".