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230043010431 = 31353231108123
BaseRepresentation
bin1101011000111110100…
…0011100010101111111
3210222210002111202002110
43112033220130111333
512232112002313211
6253402540025103
722422452216463
oct3261750342577
9728702452073
10230043010431
1189619311643
1238700b32193
1318901593120
14b1c41244a3
155eb5c46ea6
hex358fa1c57f

230043010431 has 16 divisors (see below), whose sum is σ = 330380521856. Its totient is φ = 141538206816.

The previous prime is 230043010411. The next prime is 230043010451. The reversal of 230043010431 is 134010340032.

It is an interprime number because it is at equal distance from previous prime (230043010411) and next prime (230043010451).

It is not a de Polignac number, because 230043010431 - 27 = 230043010303 is a prime.

It is a super-2 number, since 2×2300430104312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230043010398 and 230043010407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230043010411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346465 + ... + 761658.

It is an arithmetic number, because the mean of its divisors is an integer number (20648782616).

Almost surely, 2230043010431 is an apocalyptic number.

230043010431 is a deficient number, since it is larger than the sum of its proper divisors (100337511425).

230043010431 is a wasteful number, since it uses less digits than its factorization.

230043010431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113462.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 230043010431 its reverse (134010340032), we get a palindrome (364053350463).

The spelling of 230043010431 in words is "two hundred thirty billion, forty-three million, ten thousand, four hundred thirty-one".

Divisors: 1 3 13 39 5323 15969 69199 207597 1108123 3324369 14405599 43216797 5898538729 17695616187 76681003477 230043010431