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10122003131 = 22734453147
BaseRepresentation
bin10010110110101000…
…11000001010111011
3222010102100000221212
421123110120022323
5131212213100011
64352221353335
7505555415132
oct113324301273
928112300855
1010122003131
114324674849
121b65a0884b
13c54066086
146c0440919
153e395c08b
hex25b5182bb

10122003131 has 4 divisors (see below), whose sum is σ = 10126458552. Its totient is φ = 10117547712.

The previous prime is 10122003119. The next prime is 10122003163. The reversal of 10122003131 is 13130022101.

10122003131 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10122003131 is a prime.

It is a super-2 number, since 2×101220031312 (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 (10122003431) 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, 2224301 + ... + 2228846.

It is an arithmetic number, because the mean of its divisors is an integer number (2531614638).

Almost surely, 210122003131 is an apocalyptic number.

10122003131 is a deficient number, since it is larger than the sum of its proper divisors (4455421).

10122003131 is an equidigital number, since it uses as much as digits as its factorization.

10122003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455420.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10122003131 its reverse (13130022101), we get a palindrome (23252025232).

The spelling of 10122003131 in words is "ten billion, one hundred twenty-two million, three thousand, one hundred thirty-one".

Divisors: 1 2273 4453147 10122003131