1172313013 has 8 divisors (see below), whose sum is σ = 1295241408. Its totient is φ = 1055381184.

The previous prime is 1172313011. The next prime is 1172313031. The reversal of 1172313013 is 3103132711.

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 1172313013 - 2¹ = 1172313011 is a prime.

It is a super-3 number, since 3×1172313013³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172313011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1498731 + ... + 1499512.

It is an arithmetic number, because the mean of its divisors is an integer number (161905176).

Almost surely, 2^1172313013 is an apocalyptic number.

It is an amenable number.

1172313013 is a deficient number, since it is larger than the sum of its proper divisors (122928395).

1172313013 is a wasteful number, since it uses less digits than its factorization.

1172313013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998283.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1172313013 is about 34239.0568357249. The cubic root of 1172313013 is about 1054.4221697440.

Adding to 1172313013 its reverse (3103132711), we get a palindrome (4275445724).

The spelling of 1172313013 in words is "one billion, one hundred seventy-two million, three hundred thirteen thousand, thirteen".