Search a number
-
+
3130201131 = 312733124821
BaseRepresentation
bin1011101010010011…
…0001010000101011
322002011000200201020
42322210301100223
522402312414011
61234335023523
7140366161551
oct27244612053
98064020636
103130201131
111366a0a492
1273436aba3
133ab670725
14219a19bd1
15134c12006
hexba93142b

3130201131 has 16 divisors (see below), whose sum is σ = 4219342848. Its totient is φ = 2064031200.

The previous prime is 3130201117. The next prime is 3130201133. The reversal of 3130201131 is 1311020313.

It is a de Polignac number, because none of the positive numbers 2k-3130201131 is a prime.

It is a super-2 number, since 2×31302011312 = 19596318241027358322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3130201131.

It is not an unprimeable number, because it can be changed into a prime (3130201133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113701 + ... + 138521.

It is an arithmetic number, because the mean of its divisors is an integer number (263708928).

Almost surely, 23130201131 is an apocalyptic number.

3130201131 is a deficient number, since it is larger than the sum of its proper divisors (1089141717).

3130201131 is a wasteful number, since it uses less digits than its factorization.

3130201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25282.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3130201131 is about 55948.2004268234. The cubic root of 3130201131 is about 1462.8195234947.

Adding to 3130201131 its reverse (1311020313), we get a palindrome (4441221444).

The spelling of 3130201131 in words is "three billion, one hundred thirty million, two hundred one thousand, one hundred thirty-one".

Divisors: 1 3 127 331 381 993 24821 42037 74463 126111 3152267 8215751 9456801 24647253 1043400377 3130201131