Search a number
-
+
1022232131 = 4124932491
BaseRepresentation
bin111100111011100…
…000011001000011
32122020111202212022
4330323200121003
54043142412011
6245233552055
734221554414
oct7473403103
92566452768
101022232131
11485029148
1224641562b
13133a225ab
1499a9780b
155eb238db
hex3cee0643

1022232131 has 4 divisors (see below), whose sum is σ = 1047164664. Its totient is φ = 997299600.

The previous prime is 1022232109. The next prime is 1022232143. The reversal of 1022232131 is 1312322201.

1022232131 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: 1312322201 = 2357057487.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1022232131 is a prime.

It is a super-2 number, since 2×10222321312 = 2089917059297602322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022237131) 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, 12466205 + ... + 12466286.

It is an arithmetic number, because the mean of its divisors is an integer number (261791166).

Almost surely, 21022232131 is an apocalyptic number.

1022232131 is a deficient number, since it is larger than the sum of its proper divisors (24932533).

1022232131 is an equidigital number, since it uses as much as digits as its factorization.

1022232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24932532.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1022232131 is about 31972.3651142670. The cubic root of 1022232131 is about 1007.3564601234.

Adding to 1022232131 its reverse (1312322201), we get a palindrome (2334554332).

The spelling of 1022232131 in words is "one billion, twenty-two million, two hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 41 24932491 1022232131