103313431 has 8 divisors (see below), whose sum is σ = 117116720. Its totient is φ = 90346752.

The previous prime is 103313389. The next prime is 103313453. The reversal of 103313431 is 134313301.

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 103313431 - 2¹³ = 103305239 is a prime.

It is a super-2 number, since 2×103313431² = 21347330049983522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103313399 and 103313408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103313491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208890 + ... + 209383.

It is an arithmetic number, because the mean of its divisors is an integer number (14639590).

Almost surely, 2^103313431 is an apocalyptic number.

103313431 is a deficient number, since it is larger than the sum of its proper divisors (13803289).

103313431 is a wasteful number, since it uses less digits than its factorization.

103313431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418305.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 103313431 is about 10164.3214726808. The cubic root of 103313431 is about 469.2298099519.

Adding to 103313431 its reverse (134313301), we get a palindrome (237626732).

The spelling of 103313431 in words is "one hundred three million, three hundred thirteen thousand, four hundred thirty-one".