1156010313 has 4 divisors (see below), whose sum is σ = 1541347088. Its totient is φ = 770673540.

The previous prime is 1156010309. The next prime is 1156010321. The reversal of 1156010313 is 3130106511.

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.

It is not a de Polignac number, because 1156010313 - 2² = 1156010309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156010313.

It is not an unprimeable number, because it can be changed into a prime (1156010333) 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, 192668383 + ... + 192668388.

It is an arithmetic number, because the mean of its divisors is an integer number (385336772).

Almost surely, 2^1156010313 is an apocalyptic number.

It is an amenable number.

1156010313 is a deficient number, since it is larger than the sum of its proper divisors (385336775).

1156010313 is an equidigital number, since it uses as much as digits as its factorization.

1156010313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385336774.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1156010313 is about 34000.1516614265. The cubic root of 1156010313 is about 1049.5115832747.

Adding to 1156010313 its reverse (3130106511), we get a palindrome (4286116824).

The spelling of 1156010313 in words is "one billion, one hundred fifty-six million, ten thousand, three hundred thirteen".