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10201022131 = 611091534219
BaseRepresentation
bin10011000000000011…
…10011111010110011
3222022221000121122111
421200001303322303
5131342430202011
64404123150151
7510535154206
oct114001637263
928287017574
1010201022131
114365235a03
121b88375357
13c67541a91
146cab2d93d
153ea86a121
hex260073eb3

10201022131 has 8 divisors (see below), whose sum is σ = 10463380400. Its totient is φ = 9941732640.

The previous prime is 10201022129. The next prime is 10201022147. The reversal of 10201022131 is 13122010201.

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

It is a cyclic number.

It is not a de Polignac number, because 10201022131 - 21 = 10201022129 is a prime.

It is a super-2 number, since 2×102010221312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201022191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760461 + ... + 773758.

It is an arithmetic number, because the mean of its divisors is an integer number (1307922550).

Almost surely, 210201022131 is an apocalyptic number.

10201022131 is a deficient number, since it is larger than the sum of its proper divisors (262358269).

10201022131 is a wasteful number, since it uses less digits than its factorization.

10201022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534389.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10201022131 its reverse (13122010201), we get a palindrome (23323032332).

The spelling of 10201022131 in words is "ten billion, two hundred one million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 61 109 6649 1534219 93587359 167229871 10201022131