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31170255423 = 343241629887
BaseRepresentation
bin11101000001111001…
…000101101000111111
32222110022100001000120
4131001321011220333
51002314041133143
622152554430023
72152266541146
oct350171055077
988408301016
1031170255423
111224588427a
12605aa32313
132c29973928
141719a3475d
15c2673b383
hex741e45a3f

31170255423 has 8 divisors (see below), whose sum is σ = 42526860288. Its totient is φ = 20296910424.

The previous prime is 31170255407. The next prime is 31170255433. The reversal of 31170255423 is 32455207113.

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

It is not a de Polignac number, because 31170255423 - 24 = 31170255407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31170255433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120814815 + ... + 120815072.

It is an arithmetic number, because the mean of its divisors is an integer number (5315857536).

Almost surely, 231170255423 is an apocalyptic number.

31170255423 is a deficient number, since it is larger than the sum of its proper divisors (11356604865).

31170255423 is a wasteful number, since it uses less digits than its factorization.

31170255423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241629933.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 31170255423 in words is "thirty-one billion, one hundred seventy million, two hundred fifty-five thousand, four hundred twenty-three".

Divisors: 1 3 43 129 241629887 724889661 10390085141 31170255423