315031053 has 4 divisors (see below), whose sum is σ = 420041408. Its totient is φ = 210020700.

The previous prime is 315031049. The next prime is 315031081. The reversal of 315031053 is 350130513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350130513 = 3 ⋅116710171.

It is not a de Polignac number, because 315031053 - 2² = 315031049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315031853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52505173 + ... + 52505178.

It is an arithmetic number, because the mean of its divisors is an integer number (105010352).

Almost surely, 2^315031053 is an apocalyptic number.

It is an amenable number.

315031053 is a deficient number, since it is larger than the sum of its proper divisors (105010355).

315031053 is a wasteful number, since it uses less digits than its factorization.

315031053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105010354.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 315031053 is about 17749.1141469089. The cubic root of 315031053 is about 680.4315693234.

Adding to 315031053 its reverse (350130513), we get a palindrome (665161566).

The spelling of 315031053 in words is "three hundred fifteen million, thirty-one thousand, fifty-three".