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31234032203 = 1183277123503
BaseRepresentation
bin11101000101101100…
…011000001001001011
32222121202100020022112
4131011230120021023
51002431403012303
622203153412535
72154002615243
oct350554301113
988552306275
1031234032203
1112278884760
12607826a14b
132c39c4397a
1417242b6b23
15c2c1380d8
hex745b1824b

31234032203 has 16 divisors (see below), whose sum is σ = 34608784896. Its totient is φ = 27950972640.

The previous prime is 31234032169. The next prime is 31234032217. The reversal of 31234032203 is 30223043213.

It is a cyclic number.

It is not a de Polignac number, because 31234032203 - 214 = 31234015819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31234032233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191150 + ... + 314652.

It is an arithmetic number, because the mean of its divisors is an integer number (2163049056).

Almost surely, 231234032203 is an apocalyptic number.

31234032203 is a deficient number, since it is larger than the sum of its proper divisors (3374752693).

31234032203 is a wasteful number, since it uses less digits than its factorization.

31234032203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123874.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31234032203 its reverse (30223043213), we get a palindrome (61457075416).

The spelling of 31234032203 in words is "thirty-one billion, two hundred thirty-four million, thirty-two thousand, two hundred three".

Divisors: 1 11 83 277 913 3047 22991 123503 252901 1358533 10250749 34210331 112758239 376313641 2839457473 31234032203