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3030202131 = 311437927031
BaseRepresentation
bin1011010010011101…
…0011011100010011
321211011212012212120
42310213103130103
522201212432011
61220403425323
7135043202355
oct26447233423
97734765776
103030202131
111315519790
12706985243
13393a2a518
1420a6290d5
1512b05ca06
hexb49d3713

3030202131 has 32 divisors (see below), whose sum is σ = 4567326720. Its totient is φ = 1771005600.

The previous prime is 3030202127. The next prime is 3030202139. The reversal of 3030202131 is 1312020303.

It is not a de Polignac number, because 3030202131 - 22 = 3030202127 is a prime.

It is a super-2 number, since 2×30302021312 = 18364249909433882322, 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 3030202131.

It is not an unprimeable number, because it can be changed into a prime (3030202139) 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 31 ways as a sum of consecutive naturals, for example, 98586 + ... + 125616.

It is an arithmetic number, because the mean of its divisors is an integer number (142728960).

Almost surely, 23030202131 is an apocalyptic number.

3030202131 is a deficient number, since it is larger than the sum of its proper divisors (1537124589).

3030202131 is a wasteful number, since it uses less digits than its factorization.

3030202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27167.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3030202131 is about 55047.2717852574. The cubic root of 3030202131 is about 1447.0733089265.

Adding to 3030202131 its reverse (1312020303), we get a palindrome (4342222434).

The spelling of 3030202131 in words is "three billion, thirty million, two hundred two thousand, one hundred thirty-one".

Divisors: 1 3 11 33 43 79 129 237 473 869 1419 2607 3397 10191 27031 37367 81093 112101 297341 892023 1162333 2135449 3486999 6406347 12785663 23489939 38356989 70469817 91824307 275472921 1010067377 3030202131