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31000311214 = 223673919809
BaseRepresentation
bin11100110111110000…
…110011010110101110
32222000110112222101121
4130313300303112232
51001442034424324
622124044131154
72145134204035
oct346760632656
988013488347
1031000311214
111216895a714
126011b36aba
132c006b0b22
14170123771c
15c1686c5e4
hex737c335ae

31000311214 has 8 divisors (see below), whose sum is σ = 48522226320. Its totient is φ = 14826235776.

The previous prime is 31000311179. The next prime is 31000311229. The reversal of 31000311214 is 41211300013.

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

It is a super-2 number, since 2×310003112142 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 336959859 + ... + 336959950.

It is an arithmetic number, because the mean of its divisors is an integer number (6065278290).

Almost surely, 231000311214 is an apocalyptic number.

31000311214 is a deficient number, since it is larger than the sum of its proper divisors (17521915106).

31000311214 is a wasteful number, since it uses less digits than its factorization.

31000311214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673919834.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31000311214 its reverse (41211300013), we get a palindrome (72211611227).

The spelling of 31000311214 in words is "thirty-one billion, three hundred eleven thousand, two hundred fourteen".

Divisors: 1 2 23 46 673919809 1347839618 15500155607 31000311214