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14031302431 = 99714073523
BaseRepresentation
bin11010001000101010…
…01010111100011111
31100012212101000102211
431010111022330133
5212214003134211
610240151301251
71004465050156
oct150425127437
940185330384
1014031302431
115a50339213
12287707a827
131427c4b923
1497170459d
15571c67e21
hex34454af1f

14031302431 has 4 divisors (see below), whose sum is σ = 14045376952. Its totient is φ = 14017227912.

The previous prime is 14031302371. The next prime is 14031302489. The reversal of 14031302431 is 13420313041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13420313041 = 19967438759.

It is a cyclic number.

It is not a de Polignac number, because 14031302431 - 29 = 14031301919 is a prime.

It is a super-2 number, since 2×140313024312 (a number of 21 digits) contains 22 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 (14031302731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7035765 + ... + 7037758.

It is an arithmetic number, because the mean of its divisors is an integer number (3511344238).

Almost surely, 214031302431 is an apocalyptic number.

14031302431 is a deficient number, since it is larger than the sum of its proper divisors (14074521).

14031302431 is an equidigital number, since it uses as much as digits as its factorization.

14031302431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14074520.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 14031302431 its reverse (13420313041), we get a palindrome (27451615472).

The spelling of 14031302431 in words is "fourteen billion, thirty-one million, three hundred two thousand, four hundred thirty-one".

Divisors: 1 997 14073523 14031302431