1315254531 has 8 divisors (see below), whose sum is σ = 1754521344. Its totient is φ = 876412040.

The previous prime is 1315254511. The next prime is 1315254547. The reversal of 1315254531 is 1354525131.

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

It is a cyclic number.

It is not a de Polignac number, because 1315254531 - 2⁶ = 1315254467 is a prime.

It is a super-2 number, since 2×1315254531² = 3459788962632059922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1315254511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98775 + ... + 111296.

It is an arithmetic number, because the mean of its divisors is an integer number (219315168).

Almost surely, 2^1315254531 is an apocalyptic number.

1315254531 is a deficient number, since it is larger than the sum of its proper divisors (439266813).

1315254531 is a wasteful number, since it uses less digits than its factorization.

1315254531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212161.

The product of its digits is 9000, while the sum is 30.

The square root of 1315254531 is about 36266.4380798556. The cubic root of 1315254531 is about 1095.6451876300.

Adding to 1315254531 its reverse (1354525131), we get a palindrome (2669779662).

The spelling of 1315254531 in words is "one billion, three hundred fifteen million, two hundred fifty-four thousand, five hundred thirty-one".