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1230201301231 = 72349915312629
BaseRepresentation
bin10001111001101101101…
…101100010100011101111
311100121100211210011201201
4101321231231202203233
5130123423013114411
62341051403150331
7154610351345650
oct21715555424357
94317324704651
101230201301231
114347a8621781
1217a507b153a7
138c0135a1456
14437835b3527
15220013293c1
hex11e6db628ef

1230201301231 has 16 divisors (see below), whose sum is σ = 1470012480000. Its totient is φ = 1006590914208.

The previous prime is 1230201301207. The next prime is 1230201301279. The reversal of 1230201301231 is 1321031020321.

Adding to 1230201301231 its reverse (1321031020321), we get a palindrome (2551232321552).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1230201301231 is a prime.

It is a super-2 number, since 2×12302013012312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230201301199 and 1230201301208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230201301201) 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, 7575976 + ... + 7736653.

It is an arithmetic number, because the mean of its divisors is an integer number (91875780000).

Almost surely, 21230201301231 is an apocalyptic number.

1230201301231 is a deficient number, since it is larger than the sum of its proper divisors (239811178769).

1230201301231 is a wasteful number, since it uses less digits than its factorization.

1230201301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15313158.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 1230201301231 in words is "one trillion, two hundred thirty billion, two hundred one million, three hundred one thousand, two hundred thirty-one".

Divisors: 1 7 23 161 499 3493 11477 80339 15312629 107188403 352190467 2465333269 7641001871 53487013097 175743043033 1230201301231