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231404010233 = 1121036728203
BaseRepresentation
bin1101011110000011000…
…0001111101011111001
3211010021221110200211112
43113200300033223321
512242403411311413
6254145555010105
722501256430104
oct3274060175371
9733257420745
10231404010233
118a157592970
1238a20899935
1318a8a538156
14b2b2ba373b
1560454862a8
hex35e0c0faf9

231404010233 has 4 divisors (see below), whose sum is σ = 252440738448. Its totient is φ = 210367282020.

The previous prime is 231404010179. The next prime is 231404010371. The reversal of 231404010233 is 332010404132.

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 231404010233 - 234 = 214224141049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231404010199 and 231404010208.

It is not an unprimeable number, because it can be changed into a prime (231403010233) 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, 10518364091 + ... + 10518364112.

It is an arithmetic number, because the mean of its divisors is an integer number (63110184612).

Almost surely, 2231404010233 is an apocalyptic number.

It is an amenable number.

231404010233 is a deficient number, since it is larger than the sum of its proper divisors (21036728215).

231404010233 is a wasteful number, since it uses less digits than its factorization.

231404010233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21036728214.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231404010233 its reverse (332010404132), we get a palindrome (563414414365).

The spelling of 231404010233 in words is "two hundred thirty-one billion, four hundred four million, ten thousand, two hundred thirty-three".

Divisors: 1 11 21036728203 231404010233