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20210334131 = 131554641087
BaseRepresentation
bin10010110100101000…
…010011100110110011
31221011111022100102202
4102310220103212303
5312342321143011
613141241333415
71313555001641
oct226450234663
957144270382
1020210334131
118631230189
123b0049726b
131ba113c8c0
14d9a1d8191
157d446723b
hex4b4a139b3

20210334131 has 4 divisors (see below), whose sum is σ = 21764975232. Its totient is φ = 18655693032.

The previous prime is 20210334121. The next prime is 20210334161. The reversal of 20210334131 is 13143301202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20210334131 - 210 = 20210333107 is a prime.

It is a super-2 number, since 2×202103341312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20210334121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777320531 + ... + 777320556.

It is an arithmetic number, because the mean of its divisors is an integer number (5441243808).

Almost surely, 220210334131 is an apocalyptic number.

20210334131 is a deficient number, since it is larger than the sum of its proper divisors (1554641101).

20210334131 is a wasteful number, since it uses less digits than its factorization.

20210334131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554641100.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20210334131 its reverse (13143301202), we get a palindrome (33353635333).

The spelling of 20210334131 in words is "twenty billion, two hundred ten million, three hundred thirty-four thousand, one hundred thirty-one".

Divisors: 1 13 1554641087 20210334131