Search a number
-
+
3131210002 = 25329539717
BaseRepresentation
bin1011101010100010…
…0111100100010010
322002012220221121211
42322220213210102
522403042210002
61234412410334
7140410563064
oct27250474422
98065827554
103131210002
111367539468
127347769aa
133ab9349ab
14219bdd734
15134d60dd7
hexbaa27912

3131210002 has 8 divisors (see below), whose sum is σ = 4785434316. Its totient is φ = 1536065232.

The previous prime is 3131209997. The next prime is 3131210009. The reversal of 3131210002 is 2000121313.

It can be written as a sum of positive squares in 2 ways, for example, as 2783723121 + 347486881 = 52761^2 + 18641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3131210009) 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, 14769753 + ... + 14769964.

Almost surely, 23131210002 is an apocalyptic number.

3131210002 is a deficient number, since it is larger than the sum of its proper divisors (1654224314).

3131210002 is a wasteful number, since it uses less digits than its factorization.

3131210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29539772.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3131210002 is about 55957.2158170865. The cubic root of 3131210002 is about 1462.9766633090.

Adding to 3131210002 its reverse (2000121313), we get a palindrome (5131331315).

It can be divided in two parts, 31312 and 10002, that added together give a palindrome (41314).

The spelling of 3131210002 in words is "three billion, one hundred thirty-one million, two hundred ten thousand, two".

Divisors: 1 2 53 106 29539717 59079434 1565605001 3131210002