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10122301331 = 48720785013
BaseRepresentation
bin10010110110101011…
…00000111110010011
3222010102220012000022
421123111200332103
5131212302120311
64352232014055
7505561066412
oct113325407623
928112805008
1010122301331
11432485889a
121b65b3132b
13c5413ba1c
146c04bb479
153e39ba5db
hex25b560f93

10122301331 has 4 divisors (see below), whose sum is σ = 10143086832. Its totient is φ = 10101515832.

The previous prime is 10122301297. The next prime is 10122301333. The reversal of 10122301331 is 13310322101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13310322101 = 60721928043.

It is a cyclic number.

It is not a de Polignac number, because 10122301331 - 214 = 10122284947 is a prime.

It is a super-2 number, since 2×101223013312 (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 (10122301333) 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, 10392020 + ... + 10392993.

It is an arithmetic number, because the mean of its divisors is an integer number (2535771708).

Almost surely, 210122301331 is an apocalyptic number.

10122301331 is a deficient number, since it is larger than the sum of its proper divisors (20785501).

10122301331 is an equidigital number, since it uses as much as digits as its factorization.

10122301331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20785500.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10122301331 its reverse (13310322101), we get a palindrome (23432623432).

The spelling of 10122301331 in words is "ten billion, one hundred twenty-two million, three hundred one thousand, three hundred thirty-one".

Divisors: 1 487 20785013 10122301331