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31140000201 = 3193623150791
BaseRepresentation
bin11101000000000101…
…101011000111001001
32222101012101220122210
4131000011223013021
51002233320001301
622145554135333
72151451430412
oct350005530711
988335356583
1031140000201
111222a79a062
126050881549
132c2360c72b
1417159da809
15c23c61ad6
hex74016b1c9

31140000201 has 16 divisors (see below), whose sum is σ = 43717616640. Its totient is φ = 19661809680.

The previous prime is 31140000191. The next prime is 31140000209. The reversal of 31140000201 is 10200004113.

It is a happy number.

It is not a de Polignac number, because 31140000201 - 223 = 31131611593 is a prime.

It is a super-2 number, since 2×311400002012 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31140000209) 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, 131116 + ... + 281906.

It is an arithmetic number, because the mean of its divisors is an integer number (2732351040).

Almost surely, 231140000201 is an apocalyptic number.

It is an amenable number.

31140000201 is a deficient number, since it is larger than the sum of its proper divisors (12577616439).

31140000201 is a wasteful number, since it uses less digits than its factorization.

31140000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154436.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31140000201 its reverse (10200004113), we get a palindrome (41340004314).

The spelling of 31140000201 in words is "thirty-one billion, one hundred forty million, two hundred one", and thus it is an aban number.

Divisors: 1 3 19 57 3623 10869 68837 150791 206511 452373 2865029 8595087 546315793 1638947379 10380000067 31140000201