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10103122331 = 96291049239
BaseRepresentation
bin10010110100011000…
…10110100110011011
3222002002210210100222
421122030112212123
5131142344403311
64350304550255
7505236060101
oct113214264633
928062723328
1010103122331
114314a49385
121b5b62238b
13c501851c3
146bbb27c71
153e1e7cadb
hex25a31699b

10103122331 has 4 divisors (see below), whose sum is σ = 10104181200. Its totient is φ = 10102063464.

The previous prime is 10103122313. The next prime is 10103122349. The reversal of 10103122331 is 13322130101.

10103122331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13322130101 = 71903161443.

It is an interprime number because it is at equal distance from previous prime (10103122313) and next prime (10103122349).

It is a cyclic number.

It is not a de Polignac number, because 10103122331 - 222 = 10098928027 is a prime.

It is a super-2 number, since 2×101031223312 (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 (10103122391) 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, 514991 + ... + 534248.

It is an arithmetic number, because the mean of its divisors is an integer number (2526045300).

Almost surely, 210103122331 is an apocalyptic number.

10103122331 is a deficient number, since it is larger than the sum of its proper divisors (1058869).

10103122331 is an equidigital number, since it uses as much as digits as its factorization.

10103122331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058868.

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

Adding to 10103122331 its reverse (13322130101), we get a palindrome (23425252432).

The spelling of 10103122331 in words is "ten billion, one hundred three million, one hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 9629 1049239 10103122331