Search a number
-
+
3133212031 = 16691877299
BaseRepresentation
bin1011101011000001…
…0000010101111111
322002100200122220001
42322300100111333
522404100241111
61234523335131
7140433601645
oct27260202577
98070618801
103133212031
111368686634
127353814a7
133ac186021
1421a1a1195
151351091c1
hexbac1057f

3133212031 has 4 divisors (see below), whose sum is σ = 3135091000. Its totient is φ = 3131333064.

The previous prime is 3133211999. The next prime is 3133212041. The reversal of 3133212031 is 1302123313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3133212031 - 25 = 3133211999 is a prime.

It is a super-2 number, since 2×31332120312 = 19634035262406289922, which 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 (3133212041) 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, 936981 + ... + 940318.

It is an arithmetic number, because the mean of its divisors is an integer number (783772750).

Almost surely, 23133212031 is an apocalyptic number.

3133212031 is a deficient number, since it is larger than the sum of its proper divisors (1878969).

3133212031 is a wasteful number, since it uses less digits than its factorization.

3133212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878968.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3133212031 is about 55975.1018846773. The cubic root of 3133212031 is about 1463.2883955888.

Adding to 3133212031 its reverse (1302123313), we get a palindrome (4435335344).

The spelling of 3133212031 in words is "three billion, one hundred thirty-three million, two hundred twelve thousand, thirty-one".

Divisors: 1 1669 1877299 3133212031