Search a number
-
+
2031130403 = 17251476009
BaseRepresentation
bin111100100010000…
…1001011100100011
312020112221010002222
41321010021130203
513124432133103
6533314101255
7101222215661
oct17104113443
95215833088
102031130403
1195257a375
1248827a82b
13264a56a13
14153a7dc31
15bd4b1638
hex79109723

2031130403 has 8 divisors (see below), whose sum is σ = 2159181360. Its totient is φ = 1904032000.

The previous prime is 2031130399. The next prime is 2031130421. The reversal of 2031130403 is 3040311302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2031130403 - 22 = 2031130399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031130103) 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, 233738 + ... + 242271.

It is an arithmetic number, because the mean of its divisors is an integer number (269897670).

Almost surely, 22031130403 is an apocalyptic number.

2031130403 is a deficient number, since it is larger than the sum of its proper divisors (128050957).

2031130403 is a wasteful number, since it uses less digits than its factorization.

2031130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476277.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2031130403 is about 45068.0641141818. The cubic root of 2031130403 is about 1266.4243987335.

Adding to 2031130403 its reverse (3040311302), we get a palindrome (5071441705).

The spelling of 2031130403 in words is "two billion, thirty-one million, one hundred thirty thousand, four hundred three".

Divisors: 1 17 251 4267 476009 8092153 119478259 2031130403