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1201301303231 = 1770664782543
BaseRepresentation
bin10001011110110011001…
…000110010111110111111
311020211202202100011102102
4101132303020302332333
5124140231113200411
62315511544015315
7152535236412011
oct21366310627677
94224682304372
101201301303231
114235182a4507
121749a146153b
138938908ac13
14422012a81b1
15213ae086d3b
hex117b3232fbf

1201301303231 has 4 divisors (see below), whose sum is σ = 1271966085792. Its totient is φ = 1130636520672.

The previous prime is 1201301303203. The next prime is 1201301303249. The reversal of 1201301303231 is 1323031031021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201301303231 - 234 = 1184121434047 is a prime.

It is a super-2 number, since 2×12013013032312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201301303131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35332391255 + ... + 35332391288.

It is an arithmetic number, because the mean of its divisors is an integer number (317991521448).

Almost surely, 21201301303231 is an apocalyptic number.

1201301303231 is a deficient number, since it is larger than the sum of its proper divisors (70664782561).

1201301303231 is an equidigital number, since it uses as much as digits as its factorization.

1201301303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70664782560.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1201301303231 its reverse (1323031031021), we get a palindrome (2524332334252).

The spelling of 1201301303231 in words is "one trillion, two hundred one billion, three hundred one million, three hundred three thousand, two hundred thirty-one".

Divisors: 1 17 70664782543 1201301303231