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2031322430 = 253117936607
BaseRepresentation
bin111100100010011…
…1000010100111110
312020120021212112002
41321010320110332
513130004304210
6533322142302
7101223645554
oct17104702476
95216255462
102031322430
119526a0675
12488351992
13264ac3247
14153acdbd4
15bd4ed4a5
hex7913853e

2031322430 has 32 divisors (see below), whose sum is σ = 3795517440. Its totient is φ = 781904160.

The previous prime is 2031322421. The next prime is 2031322453. The reversal of 2031322430 is 342231302.

It is a super-2 number, since 2×20313224302 = 8252541629242209800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37187 + ... + 73793.

It is an arithmetic number, because the mean of its divisors is an integer number (118609920).

Almost surely, 22031322430 is an apocalyptic number.

2031322430 is a deficient number, since it is larger than the sum of its proper divisors (1764195010).

2031322430 is a wasteful number, since it uses less digits than its factorization.

2031322430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36824.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2031322430 is about 45070.1944748411. The cubic root of 2031322430 is about 1266.4643075472.

Adding to 2031322430 its reverse (342231302), we get a palindrome (2373553732).

The spelling of 2031322430 in words is "two billion, thirty-one million, three hundred twenty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 31 62 155 179 310 358 895 1790 5549 11098 27745 36607 55490 73214 183035 366070 1134817 2269634 5674085 6552653 11348170 13105306 32763265 65526530 203132243 406264486 1015661215 2031322430