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31204212134 = 290717201881
BaseRepresentation
bin11101000011111010…
…100111110110100110
32222112200020012212112
4131003322213312212
51002401234242014
622200210321022
72153161266254
oct350372476646
988480205775
1031204212134
1112262a67477
12606a289172
132c33a02864
1417203535d4
15c296e773e
hex743ea7da6

31204212134 has 8 divisors (see below), whose sum is σ = 46857926568. Its totient is φ = 15584903280.

The previous prime is 31204212101. The next prime is 31204212139. The reversal of 31204212134 is 43121240213.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204212139) 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, 8599127 + ... + 8602754.

It is an arithmetic number, because the mean of its divisors is an integer number (5857240821).

Almost surely, 231204212134 is an apocalyptic number.

31204212134 is a deficient number, since it is larger than the sum of its proper divisors (15653714434).

31204212134 is a wasteful number, since it uses less digits than its factorization.

31204212134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17202790.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31204212134 its reverse (43121240213), we get a palindrome (74325452347).

The spelling of 31204212134 in words is "thirty-one billion, two hundred four million, two hundred twelve thousand, one hundred thirty-four".

Divisors: 1 2 907 1814 17201881 34403762 15602106067 31204212134