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31204302124 = 2223339177197
BaseRepresentation
bin11101000011111010…
…111101110100101100
32222112200101210022111
4131003322331310230
51002401300131444
622200212253404
72153162122522
oct350372756454
988480353274
1031204302124
1112263019046
12606a311264
132c33a347c8
141720378312
15c29714234
hex743ebdd2c

31204302124 has 12 divisors (see below), whose sum is σ = 56981769264. Its totient is φ = 14923796624.

The previous prime is 31204302113. The next prime is 31204302127. The reversal of 31204302124 is 42120340213.

It is a super-2 number, since 2×312043021242 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31204302095 and 31204302104.

It is not an unprimeable number, because it can be changed into a prime (31204302127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169588507 + ... + 169588690.

It is an arithmetic number, because the mean of its divisors is an integer number (4748480772).

Almost surely, 231204302124 is an apocalyptic number.

It is an amenable number.

31204302124 is a deficient number, since it is larger than the sum of its proper divisors (25777467140).

31204302124 is a wasteful number, since it uses less digits than its factorization.

31204302124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339177224 (or 339177222 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31204302124 its reverse (42120340213), we get a palindrome (73324642337).

The spelling of 31204302124 in words is "thirty-one billion, two hundred four million, three hundred two thousand, one hundred twenty-four".

Divisors: 1 2 4 23 46 92 339177197 678354394 1356708788 7801075531 15602151062 31204302124