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31112322202 = 2134127289951
BaseRepresentation
bin11100111110011100…
…000101110010011010
32222022021022201120201
4130332130011302122
51002204223302302
622143125012414
72150664242503
oct347634056232
988267281521
1031112322202
1112216105185
12604355410a
132c1a96b610
141712073baa
15c215e5c87
hex73e705c9a

31112322202 has 16 divisors (see below), whose sum is σ = 50270717952. Its totient is φ = 14356004400.

The previous prime is 31112322193. The next prime is 31112322229. The reversal of 31112322202 is 20222321113.

It is a self number, because there is not a number n which added to its sum of digits gives 31112322202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37674 + ... + 252277.

It is an arithmetic number, because the mean of its divisors is an integer number (3141919872).

Almost surely, 231112322202 is an apocalyptic number.

31112322202 is a deficient number, since it is larger than the sum of its proper divisors (19158395750).

31112322202 is a wasteful number, since it uses less digits than its factorization.

31112322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294093.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31112322202 its reverse (20222321113), we get a palindrome (51334643315).

The spelling of 31112322202 in words is "thirty-one billion, one hundred twelve million, three hundred twenty-two thousand, two hundred two".

Divisors: 1 2 13 26 4127 8254 53651 107302 289951 579902 3769363 7538726 1196627777 2393255554 15556161101 31112322202