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2231430053 = 19117443687
BaseRepresentation
bin1000010100000000…
…1110101110100101
312202111211101120112
42011000032232211
514032221230203
61005231142405
7106203561656
oct20500165645
95674741515
102231430053
11a45647476
12523374a05
132973b7518
141724dd52d
15d0d796d8
hex8500eba5

2231430053 has 4 divisors (see below), whose sum is σ = 2348873760. Its totient is φ = 2113986348.

The previous prime is 2231430029. The next prime is 2231430073. The reversal of 2231430053 is 3500341322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2231430053 - 214 = 2231413669 is a prime.

It is a super-3 number, since 3×22314300533 (a number of 29 digits) contains 333 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 (2231430073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58721825 + ... + 58721862.

It is an arithmetic number, because the mean of its divisors is an integer number (587218440).

Almost surely, 22231430053 is an apocalyptic number.

It is an amenable number.

2231430053 is a deficient number, since it is larger than the sum of its proper divisors (117443707).

2231430053 is a wasteful number, since it uses less digits than its factorization.

2231430053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117443706.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2231430053 is about 47238.0149138382. The cubic root of 2231430053 is about 1306.7557686518.

Adding to 2231430053 its reverse (3500341322), we get a palindrome (5731771375).

The spelling of 2231430053 in words is "two billion, two hundred thirty-one million, four hundred thirty thousand, fifty-three".

Divisors: 1 19 117443687 2231430053