Search a number
-
+
342012031 = 809422759
BaseRepresentation
bin10100011000101…
…011000001111111
3212211120000022021
4110120223001333
51200023341111
653534301011
711322024424
oct2430530177
9784500267
10342012031
11166069779
1296657767
1355b1a3aa
14335cbd4b
152005bd71
hex1462b07f

342012031 has 4 divisors (see below), whose sum is σ = 342435600. Its totient is φ = 341588464.

The previous prime is 342012029. The next prime is 342012043. The reversal of 342012031 is 130210243.

It is a happy number.

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 342012031 - 21 = 342012029 is a prime.

It is a super-2 number, since 2×3420120312 = 233944458697489922, 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 = 342011996 and 342012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342015031) 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, 210571 + ... + 212188.

It is an arithmetic number, because the mean of its divisors is an integer number (85608900).

Almost surely, 2342012031 is an apocalyptic number.

342012031 is a deficient number, since it is larger than the sum of its proper divisors (423569).

342012031 is an equidigital number, since it uses as much as digits as its factorization.

342012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423568.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 342012031 is about 18493.5672870325. The cubic root of 342012031 is about 699.3272659218.

Adding to 342012031 its reverse (130210243), we get a palindrome (472222274).

It can be divided in two parts, 3420 and 12031, that added together give a palindrome (15451).

The spelling of 342012031 in words is "three hundred forty-two million, twelve thousand, thirty-one".

Divisors: 1 809 422759 342012031