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31429034239 = 432293191737
BaseRepresentation
bin11101010001010100…
…010000000011111111
310000010100021100211011
4131101110100003333
51003331313043424
622234401140051
72161561245301
oct352124200377
9100110240734
1031429034239
1112368963669
12611162a627
132c6b46b0a5
141742157971
15c3e306694
hex7515100ff

31429034239 has 8 divisors (see below), whose sum is σ = 32300388560. Its totient is φ = 30564063936.

The previous prime is 31429034177. The next prime is 31429034261. The reversal of 31429034239 is 93243092413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31429034239 - 219 = 31428509951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31429034339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586022 + ... + 1605715.

It is an arithmetic number, because the mean of its divisors is an integer number (4037548570).

Almost surely, 231429034239 is an apocalyptic number.

31429034239 is a deficient number, since it is larger than the sum of its proper divisors (871354321).

31429034239 is a wasteful number, since it uses less digits than its factorization.

31429034239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192009.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 31429034239 in words is "thirty-one billion, four hundred twenty-nine million, thirty-four thousand, two hundred thirty-nine".

Divisors: 1 43 229 9847 3191737 137244691 730907773 31429034239