52103431 has 4 divisors (see below), whose sum is σ = 52986600. Its totient is φ = 51220264.

The previous prime is 52103407. The next prime is 52103449. The reversal of 52103431 is 13430125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52103431 - 2¹¹ = 52101383 is a prime.

It is a super-2 number, since 2×52103431² = 5429535043943522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52103399 and 52103408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52103461) 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 3 ways as a sum of consecutive naturals, for example, 441496 + ... + 441613.

It is an arithmetic number, because the mean of its divisors is an integer number (13246650).

Almost surely, 2^52103431 is an apocalyptic number.

52103431 is a deficient number, since it is larger than the sum of its proper divisors (883169).

52103431 is an equidigital number, since it uses as much as digits as its factorization.

52103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883168.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 52103431 is about 7218.2706377636. The cubic root of 52103431 is about 373.4984244513.

Adding to 52103431 its reverse (13430125), we get a palindrome (65533556).

The spelling of 52103431 in words is "fifty-two million, one hundred three thousand, four hundred thirty-one".