Search a number
-
+
10031113201031 = 13771624092387
BaseRepresentation
bin1001000111111000110011…
…1100000110010110000111
31022111222001112012121221022
42101332030330012112013
52303322204434413111
633200121344541355
72053503223240226
oct221761474062607
938458045177838
1010031113201031
1132181979894aa
12116011b62185b
13579c12043b50
14269719350cbd
15125deb65e2db
hex91f8cf06587

10031113201031 has 4 divisors (see below), whose sum is σ = 10802737293432. Its totient is φ = 9259489108632.

The previous prime is 10031113201001. The next prime is 10031113201033. The reversal of 10031113201031 is 13010231113001.

10031113201031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10031113201031 is a prime.

It is a super-2 number, since 2×100311132010312 (a number of 27 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 (10031113201033) 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, 385812046181 + ... + 385812046206.

It is an arithmetic number, because the mean of its divisors is an integer number (2700684323358).

Almost surely, 210031113201031 is an apocalyptic number.

10031113201031 is a deficient number, since it is larger than the sum of its proper divisors (771624092401).

10031113201031 is an equidigital number, since it uses as much as digits as its factorization.

10031113201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771624092400.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 10031113201031 its reverse (13010231113001), we get a palindrome (23041344314032).

The spelling of 10031113201031 in words is "ten trillion, thirty-one billion, one hundred thirteen million, two hundred one thousand, thirty-one".

Divisors: 1 13 771624092387 10031113201031