Search a number
-
+
100203211131 = 3101932778283
BaseRepresentation
bin101110101010010010…
…0111010100101111011
3100120122100000112111220
41131110210322211323
53120204010224011
6114011022323123
710145062145532
oct1352444724573
9316570015456
10100203211131
1139550111691
1217505a294a3
1395ab94c50a
144bc803b319
152916eca506
hex175493a97b

100203211131 has 8 divisors (see below), whose sum is σ = 133735398720. Its totient is φ = 66736582152.

The previous prime is 100203211079. The next prime is 100203211139. The reversal of 100203211131 is 131112302001.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-100203211131 is a prime.

It is a super-2 number, since 2×1002032111312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100203211131.

It is not an unprimeable number, because it can be changed into a prime (100203211139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16386085 + ... + 16392198.

It is an arithmetic number, because the mean of its divisors is an integer number (16716924840).

Almost surely, 2100203211131 is an apocalyptic number.

100203211131 is a deficient number, since it is larger than the sum of its proper divisors (33532187589).

100203211131 is a wasteful number, since it uses less digits than its factorization.

100203211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32779305.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100203211131 its reverse (131112302001), we get a palindrome (231315513132).

The spelling of 100203211131 in words is "one hundred billion, two hundred three million, two hundred eleven thousand, one hundred thirty-one".

Divisors: 1 3 1019 3057 32778283 98334849 33401070377 100203211131