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3030312131 = 71139354703
BaseRepresentation
bin1011010010011110…
…1110010011000011
321211012001210202122
42310213232103003
522201224442011
61220410034455
7135044141150
oct26447562303
97735053678
103030312131
1113155943a0
12706a18a2b
13393a68602
1420a657227
1512b0803db
hexb49ee4c3

3030312131 has 8 divisors (see below), whose sum is σ = 3778051584. Its totient is φ = 2361282120.

The previous prime is 3030312119. The next prime is 3030312137. The reversal of 3030312131 is 1312130303.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3030312131 is a prime.

It is a super-2 number, since 2×30303121312 = 18365583222571522322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3030312137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19677275 + ... + 19677428.

It is an arithmetic number, because the mean of its divisors is an integer number (472256448).

Almost surely, 23030312131 is an apocalyptic number.

3030312131 is a deficient number, since it is larger than the sum of its proper divisors (747739453).

3030312131 is a wasteful number, since it uses less digits than its factorization.

3030312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39354721.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 3030312131 is about 55048.2709174412. The cubic root of 3030312131 is about 1447.0908188847.

Adding to 3030312131 its reverse (1312130303), we get a palindrome (4342442434).

The spelling of 3030312131 in words is "three billion, thirty million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 7 11 77 39354703 275482921 432901733 3030312131