Search a number
BaseRepresentation
bin100110001100…
…101011110111
3200211201211211
4212030223313
510030412211
6554342251
7151053451
oct46145367
920751754
1010013431
11571a26a
12342a987
1320c7a0c
1414892d1
15d2be21
hex98caf7

10013431 has 2 divisors, whose sum is σ = 10013432. Its totient is φ = 10013430.

The previous prime is 10013429. The next prime is 10013447. The reversal of 10013431 is 13431001.

Adding to 10013431 its reverse (13431001), we get a palindrome (23444432).

It can be divided in two parts, 100 and 13431, that added together give a palindrome (13531).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10013431 - 21 = 10013429 is a prime.

It is a super-2 number, since 2×100134312 = 200537600783522, which contains 22 as substring.

Together with 10013429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10013401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006715 + 5006716.

It is an arithmetic number, because the mean of its divisors is an integer number (5006716).

Almost surely, 210013431 is an apocalyptic number.

10013431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10013431 is an equidigital number, since it uses as much as digits as its factorization.

10013431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 10013431 is about 3164.4005751485. The cubic root of 10013431 is about 215.5398798940.

The spelling of 10013431 in words is "ten million, thirteen thousand, four hundred thirty-one".