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342235031 = 794332089
BaseRepresentation
bin10100011001100…
…001011110010111
3212211222100012112
4110121201132113
51200103010111
653543141235
711323643525
oct2431413627
9784870175
10342235031
11166201276
129674481b
1355b97a48
1433649315
15200a2e8b
hex14661797

342235031 has 4 divisors (see below), whose sum is σ = 346567200. Its totient is φ = 337902864.

The previous prime is 342235027. The next prime is 342235073. The reversal of 342235031 is 130532243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130532243 = 190768449.

It is a cyclic number.

It is not a de Polignac number, because 342235031 - 22 = 342235027 is a prime.

It is a super-2 number, since 2×3422350312 = 234249632887141922, 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 = 342234988 and 342235006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342235081) 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, 2165966 + ... + 2166123.

It is an arithmetic number, because the mean of its divisors is an integer number (86641800).

Almost surely, 2342235031 is an apocalyptic number.

342235031 is a deficient number, since it is larger than the sum of its proper divisors (4332169).

342235031 is an equidigital number, since it uses as much as digits as its factorization.

342235031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332168.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 342235031 is about 18499.5954280087. The cubic root of 342235031 is about 699.4792255841.

Adding to 342235031 its reverse (130532243), we get a palindrome (472767274).

The spelling of 342235031 in words is "three hundred forty-two million, two hundred thirty-five thousand, thirty-one".

Divisors: 1 79 4332089 342235031