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31321202314 = 2101155055457
BaseRepresentation
bin11101001010111000…
…111001111010001010
32222211211100221020011
4131022320321322022
51003121211433224
622215550022134
72156111553433
oct351270717212
988754327204
1031321202314
1112313002976
1260a14a794a
132c5201480c
141731ac848a
15c34b06394
hex74ae39e8a

31321202314 has 8 divisors (see below), whose sum is σ = 47446970148. Its totient is φ = 15505545600.

The previous prime is 31321202309. The next prime is 31321202317. The reversal of 31321202314 is 41320212313.

It can be written as a sum of positive squares in 2 ways, for example, as 27811232289 + 3509970025 = 166767^2 + 59245^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31321202317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77527527 + ... + 77527930.

Almost surely, 231321202314 is an apocalyptic number.

31321202314 is a deficient number, since it is larger than the sum of its proper divisors (16125767834).

31321202314 is a wasteful number, since it uses less digits than its factorization.

31321202314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155055560.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31321202314 its reverse (41320212313), we get a palindrome (72641414627).

Subtracting 31321202314 from its reverse (41320212313), we obtain a palindrome (9999009999).

The spelling of 31321202314 in words is "thirty-one billion, three hundred twenty-one million, two hundred two thousand, three hundred fourteen".

Divisors: 1 2 101 202 155055457 310110914 15660601157 31321202314