5312391213 has 8 divisors (see below), whose sum is σ = 7391153088. Its totient is φ = 3387611744.

The previous prime is 5312391209. The next prime is 5312391257. The reversal of 5312391213 is 3121932135.

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 5312391213 - 2² = 5312391209 is a prime.

It is a super-2 number, since 2×5312391213² = 56443000799919222738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312391313) 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, 38495520 + ... + 38495657.

It is an arithmetic number, because the mean of its divisors is an integer number (923894136).

Almost surely, 2^5312391213 is an apocalyptic number.

It is an amenable number.

5312391213 is a deficient number, since it is larger than the sum of its proper divisors (2078761875).

5312391213 is a wasteful number, since it uses less digits than its factorization.

5312391213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76991203.

The product of its digits is 4860, while the sum is 30.

The square root of 5312391213 is about 72886.1524090825. The cubic root of 5312391213 is about 1744.8711013345.

The spelling of 5312391213 in words is "five billion, three hundred twelve million, three hundred ninety-one thousand, two hundred thirteen".