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2230263131 = 10399214469
BaseRepresentation
bin1000010011101111…
…0001110101011011
312202102122002212012
42010323301311123
514031421410011
61005150140135
7106160631605
oct20473616533
95672562765
102230263131
11a44a1a778
12522ab164b
13297099335
141722b8175
15d0be8a8b
hex84ef1d5b

2230263131 has 4 divisors (see below), whose sum is σ = 2230488000. Its totient is φ = 2230038264.

The previous prime is 2230263127. The next prime is 2230263143. The reversal of 2230263131 is 1313620322.

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 2230263131 - 22 = 2230263127 is a prime.

It is a super-2 number, since 2×22302631312 = 9948147266995846322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2230263097 and 2230263106.

It is not an unprimeable number, because it can be changed into a prime (2230263121) 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, 96836 + ... + 117633.

It is an arithmetic number, because the mean of its divisors is an integer number (557622000).

Almost surely, 22230263131 is an apocalyptic number.

2230263131 is a deficient number, since it is larger than the sum of its proper divisors (224869).

2230263131 is a wasteful number, since it uses less digits than its factorization.

2230263131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224868.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2230263131 is about 47225.6617846696. The cubic root of 2230263131 is about 1306.5279404717.

Adding to 2230263131 its reverse (1313620322), we get a palindrome (3543883453).

The spelling of 2230263131 in words is "two billion, two hundred thirty million, two hundred sixty-three thousand, one hundred thirty-one".

Divisors: 1 10399 214469 2230263131