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331334423 = 7283257317
BaseRepresentation
bin10011101111111…
…100001100010111
3212002110112101022
4103233330030113
51134310200143
652513351355
711132203400
oct2357741427
9762415338
10331334423
11160036502
1292b6855b
135384c294
143200c9a7
151e14d268
hex13bfc317

331334423 has 24 divisors (see below), whose sum is σ = 392826672. Its totient is φ = 278605824.

The previous prime is 331334413. The next prime is 331334431. The reversal of 331334423 is 324433133.

It is a happy number.

It is not a de Polignac number, because 331334423 - 216 = 331268887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331334392 and 331334401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331334413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045061 + ... + 1045377.

It is an arithmetic number, because the mean of its divisors is an integer number (16367778).

Almost surely, 2331334423 is an apocalyptic number.

331334423 is a deficient number, since it is larger than the sum of its proper divisors (61492249).

331334423 is a wasteful number, since it uses less digits than its factorization.

331334423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 664 counting only the distinct ones).

The product of its digits is 7776, while the sum is 26.

The square root of 331334423 is about 18202.5938536243. The cubic root of 331334423 is about 691.9725276440.

Adding to 331334423 its reverse (324433133), we get a palindrome (655767556).

The spelling of 331334423 in words is "three hundred thirty-one million, three hundred thirty-four thousand, four hundred twenty-three".

Divisors: 1 7 49 83 257 317 581 1799 2219 4067 12593 15533 21331 26311 81469 149317 184177 570283 1045219 1289239 3991981 6761927 47333489 331334423