Search a number
-
+
231311100323 = 1873123497651
BaseRepresentation
bin1101011101101100110…
…1110100100110100011
3211010001110122101101202
43113123031310212203
512242211120202243
6254132435351415
722466050624532
oct3273315644643
9733043571352
10231311100323
118a10a0a4316
12389b575256b
1318a74207884
14b2a46da319
15603c2324b8
hex35db3749a3

231311100323 has 4 divisors (see below), whose sum is σ = 231434599848. Its totient is φ = 231187600800.

The previous prime is 231311100301. The next prime is 231311100337. The reversal of 231311100323 is 323001113132.

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 231311100323 - 232 = 227016133027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231311100295 and 231311100304.

It is not an unprimeable number, because it can be changed into a prime (231311100023) 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, 61746953 + ... + 61750698.

It is an arithmetic number, because the mean of its divisors is an integer number (57858649962).

Almost surely, 2231311100323 is an apocalyptic number.

231311100323 is a deficient number, since it is larger than the sum of its proper divisors (123499525).

231311100323 is a wasteful number, since it uses less digits than its factorization.

231311100323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123499524.

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

Adding to 231311100323 its reverse (323001113132), we get a palindrome (554312213455).

The spelling of 231311100323 in words is "two hundred thirty-one billion, three hundred eleven million, one hundred thousand, three hundred twenty-three".

Divisors: 1 1873 123497651 231311100323