Search a number
-
+
33424222031 = 139240462029
BaseRepresentation
bin11111001000001111…
…010010011101001111
310012021101120101221022
4133020033102131033
51021423100101111
623204353024355
72262166125314
oct371017223517
9105241511838
1033424222031
11131a21137a2
1265898550bb
1331c891bc95
14189111cd0b
15d095682db
hex7c83d274f

33424222031 has 4 divisors (see below), whose sum is σ = 33664684200. Its totient is φ = 33183759864.

The previous prime is 33424221997. The next prime is 33424222033. The reversal of 33424222031 is 13022242433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13022242433 = 120110842833.

It is a cyclic number.

It is not a de Polignac number, because 33424222031 - 234 = 16244352847 is a prime.

It is a super-2 number, since 2×334242220312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33424222033) 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, 120230876 + ... + 120231153.

It is an arithmetic number, because the mean of its divisors is an integer number (8416171050).

Almost surely, 233424222031 is an apocalyptic number.

33424222031 is a deficient number, since it is larger than the sum of its proper divisors (240462169).

33424222031 is a wasteful number, since it uses less digits than its factorization.

33424222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240462168.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33424222031 its reverse (13022242433), we get a palindrome (46446464464).

The spelling of 33424222031 in words is "thirty-three billion, four hundred twenty-four million, two hundred twenty-two thousand, thirty-one".

Divisors: 1 139 240462029 33424222031