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31420240322 = 255987280603
BaseRepresentation
bin11101010000110010…
…101101000111000010
310000002201201120211112
4131100302231013002
51003322040142242
622233444443322
72161423431122
oct352062550702
9100081646745
1031420240322
11123639a7669
12610a6a9542
132c696ac4a3
141740d08c82
15c3d66ac82
hex750cad1c2

31420240322 has 8 divisors (see below), whose sum is σ = 47131370256. Its totient is φ = 15709783572.

The previous prime is 31420240307. The next prime is 31420240333. The reversal of 31420240322 is 22304202413.

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

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28328 + ... + 252275.

It is an arithmetic number, because the mean of its divisors is an integer number (5891421282).

Almost surely, 231420240322 is an apocalyptic number.

31420240322 is a deficient number, since it is larger than the sum of its proper divisors (15711129934).

31420240322 is a wasteful number, since it uses less digits than its factorization.

31420240322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336592.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31420240322 its reverse (22304202413), we get a palindrome (53724442735).

The spelling of 31420240322 in words is "thirty-one billion, four hundred twenty million, two hundred forty thousand, three hundred twenty-two".

Divisors: 1 2 55987 111974 280603 561206 15710120161 31420240322