Search a number
-
+
131203311002 = 299497659333
BaseRepresentation
bin111101000110001010…
…0111010010110011010
3110112122210011202222222
41322030110322112122
54122201021423002
6140135102144042
712323224512461
oct1721424722632
9415583152888
10131203311002
1150708937535
1221517882022
13c4ac28808a
1464c921b9d8
15362d8051a2
hex1e8c53a59a

131203311002 has 8 divisors (see below), whose sum is σ = 196807242996. Its totient is φ = 65600896672.

The previous prime is 131203310977. The next prime is 131203311091. The reversal of 131203311002 is 200113302131.

It can be written as a sum of positive squares in 2 ways, for example, as 121493376481 + 9709934521 = 348559^2 + 98539^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130673 + ... + 528660.

Almost surely, 2131203311002 is an apocalyptic number.

131203311002 is a deficient number, since it is larger than the sum of its proper divisors (65603931994).

131203311002 is an equidigital number, since it uses as much as digits as its factorization.

131203311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758832.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131203311002 its reverse (200113302131), we get a palindrome (331316613133).

The spelling of 131203311002 in words is "one hundred thirty-one billion, two hundred three million, three hundred eleven thousand, two".

Divisors: 1 2 99497 198994 659333 1318666 65601655501 131203311002