1202315513 has 4 divisors (see below), whose sum is σ = 1374074880. Its totient is φ = 1030556148.

The previous prime is 1202315509. The next prime is 1202315533. The reversal of 1202315513 is 3155132021.

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: 3155132021 = 307 ⋅10277303.

It is a cyclic number.

It is not a de Polignac number, because 1202315513 - 2² = 1202315509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202315533) 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 in 3 ways as a sum of consecutive naturals, for example, 85879673 + ... + 85879686.

It is an arithmetic number, because the mean of its divisors is an integer number (343518720).

Almost surely, 2^1202315513 is an apocalyptic number.

It is an amenable number.

1202315513 is a deficient number, since it is larger than the sum of its proper divisors (171759367).

1202315513 is an equidigital number, since it uses as much as digits as its factorization.

1202315513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171759366.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1202315513 is about 34674.4215957527. The cubic root of 1202315513 is about 1063.3416299529.

Adding to 1202315513 its reverse (3155132021), we get a palindrome (4357447534).

The spelling of 1202315513 in words is "one billion, two hundred two million, three hundred fifteen thousand, five hundred thirteen".