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312322023 = 32132669419
BaseRepresentation
bin10010100111011…
…010011111100111
3210202200121021100
4102213122133213
51114423301043
650554051143
710511456556
oct2247323747
9722617240
10312322023
11150330182
1288719ab3
134c923540
142d69dd9d
151c644cd3
hex129da7e7

312322023 has 12 divisors (see below), whose sum is σ = 485834440. Its totient is φ = 192198096.

The previous prime is 312322009. The next prime is 312322081. The reversal of 312322023 is 320223213.

It is a happy number.

It is not a de Polignac number, because 312322023 - 24 = 312322007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312321987 and 312322005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1334593 + ... + 1334826.

Almost surely, 2312322023 is an apocalyptic number.

312322023 is a deficient number, since it is larger than the sum of its proper divisors (173512417).

312322023 is a wasteful number, since it uses less digits than its factorization.

312322023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669438 (or 2669435 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 312322023 is about 17672.6348629739. The cubic root of 312322023 is about 678.4755519763.

Adding to 312322023 its reverse (320223213), we get a palindrome (632545236).

The spelling of 312322023 in words is "three hundred twelve million, three hundred twenty-two thousand, twenty-three".

Divisors: 1 3 9 13 39 117 2669419 8008257 24024771 34702447 104107341 312322023