10313391 has 8 divisors (see below), whose sum is σ = 15001344. Its totient is φ = 6250520.

The previous prime is 10313363. The next prime is 10313423. The reversal of 10313391 is 19331301.

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 10313391 - 2⁶ = 10313327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313321) 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, 156231 + ... + 156296.

It is an arithmetic number, because the mean of its divisors is an integer number (1875168).

Almost surely, 2^10313391 is an apocalyptic number.

10313391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10313391 is a deficient number, since it is larger than the sum of its proper divisors (4687953).

10313391 is a wasteful number, since it uses less digits than its factorization.

10313391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312541.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 10313391 is about 3211.4468701817. The cubic root of 10313391 is about 217.6709608419.

Adding to 10313391 its reverse (19331301), we get a palindrome (29644692).

The spelling of 10313391 in words is "ten million, three hundred thirteen thousand, three hundred ninety-one".