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31030201101133 = 1319229548595391
BaseRepresentation
bin1110000111000110010000…
…00111010010101101001101
311001212110101001211002020101
413003203020013102231031
513031344322440214013
6145555024432051101
76351600211305613
oct703431007225515
9131773331732211
1031030201101133
11998391a625263
123591a3b693a91
13144119b651420
14793c268296b3
1538c277b3e8dd
hex1c38c81d2b4d

31030201101133 has 16 divisors (see below), whose sum is σ = 35329543244800. Its totient is φ = 27017225766720.

The previous prime is 31030201101073. The next prime is 31030201101143. The reversal of 31030201101133 is 33110110203013.

It is a de Polignac number, because none of the positive numbers 2k-31030201101133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31030201101133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030201101143) 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, 274241133 + ... + 274354258.

It is an arithmetic number, because the mean of its divisors is an integer number (2208096452800).

Almost surely, 231030201101133 is an apocalyptic number.

It is an amenable number.

31030201101133 is a deficient number, since it is larger than the sum of its proper divisors (4299342143667).

31030201101133 is a wasteful number, since it uses less digits than its factorization.

31030201101133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548595652.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31030201101133 its reverse (33110110203013), we get a palindrome (64140311304146).

The spelling of 31030201101133 in words is "thirty-one trillion, thirty billion, two hundred one million, one hundred one thousand, one hundred thirty-three".

Divisors: 1 13 19 229 247 2977 4351 56563 548595391 7131740083 10423312429 125628344539 135503061577 1633168479007 2386938546241 31030201101133