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31432141345 = 5111794437207
BaseRepresentation
bin11101010001100000…
…000110101000100001
310000010120010012222011
4131101200012220201
51003333112010340
622234551512521
72161626536023
oct352140065041
9100116105864
1031432141345
111236a696020
126112688741
132c6bcb8407
141742726013
15c3e71c0ea
hex751806a21

31432141345 has 32 divisors (see below), whose sum is σ = 41476561920. Its totient is φ = 22677570240.

The previous prime is 31432141331. The next prime is 31432141361. The reversal of 31432141345 is 54314123413.

It is not a de Polignac number, because 31432141345 - 27 = 31432141217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4357732 + ... + 4364938.

It is an arithmetic number, because the mean of its divisors is an integer number (1296142560).

Almost surely, 231432141345 is an apocalyptic number.

It is an amenable number.

31432141345 is a deficient number, since it is larger than the sum of its proper divisors (10044420575).

31432141345 is a wasteful number, since it uses less digits than its factorization.

31432141345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845.

The product of its digits is 17280, while the sum is 31.

Adding to 31432141345 its reverse (54314123413), we get a palindrome (85746264758).

The spelling of 31432141345 in words is "thirty-one billion, four hundred thirty-two million, one hundred forty-one thousand, three hundred forty-five".

Divisors: 1 5 11 55 179 443 895 1969 2215 4873 7207 9845 24365 36035 79277 79297 396385 396485 872267 1290053 3192701 4361335 6450265 14190583 15963505 35119711 70952915 175598555 571493479 2857467395 6286428269 31432141345