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31342043 is a prime number
BaseRepresentation
bin111011110001…
…1110111011011
32011222100012102
41313203313123
531010421133
63035434015
7530255135
oct167436733
964870172
1031342043
1116767817
12a5b590b
136654ab5
14423c055
152b417e8
hex1de3ddb

31342043 has 2 divisors, whose sum is σ = 31342044. Its totient is φ = 31342042.

The previous prime is 31342037. The next prime is 31342049. The reversal of 31342043 is 34024313.

It is a balanced prime because it is at equal distance from previous prime (31342037) and next prime (31342049).

It is a cyclic number.

It is not a de Polignac number, because 31342043 - 26 = 31341979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (31342049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15671021 + 15671022.

It is an arithmetic number, because the mean of its divisors is an integer number (15671022).

Almost surely, 231342043 is an apocalyptic number.

31342043 is a deficient number, since it is larger than the sum of its proper divisors (1).

31342043 is an equidigital number, since it uses as much as digits as its factorization.

31342043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 31342043 is about 5598.3964668466. The cubic root of 31342043 is about 315.2892044570.

Adding to 31342043 its reverse (34024313), we get a palindrome (65366356).

The spelling of 31342043 in words is "thirty-one million, three hundred forty-two thousand, forty-three".