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1234022131 = 6120229871
BaseRepresentation
bin100100110001101…
…1010111011110011
310012000000211010101
41021203122323303
510011402202011
6322241213231
742403005106
oct11143327363
93160024111
101234022131
11583634101
122a5331217
13168877114
14b9c6873d
157350b2c1
hex498daef3

1234022131 has 4 divisors (see below), whose sum is σ = 1254252064. Its totient is φ = 1213792200.

The previous prime is 1234022117. The next prime is 1234022137. The reversal of 1234022131 is 1312204321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312204321 = 7118481751.

It is a cyclic number.

It is not a de Polignac number, because 1234022131 - 25 = 1234022099 is a prime.

It is a super-2 number, since 2×12340221312 = 3045621239595562322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1234022099 and 1234022108.

It is not an unprimeable number, because it can be changed into a prime (1234022137) 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, 10114875 + ... + 10114996.

It is an arithmetic number, because the mean of its divisors is an integer number (313563016).

Almost surely, 21234022131 is an apocalyptic number.

1234022131 is a deficient number, since it is larger than the sum of its proper divisors (20229933).

1234022131 is an equidigital number, since it uses as much as digits as its factorization.

1234022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20229932.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1234022131 is about 35128.6511411981. The cubic root of 1234022131 is about 1072.6078789846.

Adding to 1234022131 its reverse (1312204321), we get a palindrome (2546226452).

The spelling of 1234022131 in words is "one billion, two hundred thirty-four million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 61 20229871 1234022131