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230110131031 = 1171294635251
BaseRepresentation
bin1101011001001110100…
…0011111001101010111
3210222221202210211020121
43112103220133031113
512232231143143111
6253413334412411
722424225561404
oct3262350371527
9728852724217
10230110131031
1189653196310
123871b501107
1318912464161
14b1ccdd72ab
155ebbaa4871
hex3593a1f357

230110131031 has 8 divisors (see below), whose sum is σ = 254564857728. Its totient is φ = 206244675000.

The previous prime is 230110130993. The next prime is 230110131049. The reversal of 230110131031 is 130131011032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230110131031 - 233 = 221520196439 is a prime.

It is a super-2 number, since 2×2301101310312 (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 = 230110130996 and 230110131014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230140131031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147316845 + ... + 147318406.

It is an arithmetic number, because the mean of its divisors is an integer number (31820607216).

Almost surely, 2230110131031 is an apocalyptic number.

230110131031 is a deficient number, since it is larger than the sum of its proper divisors (24454726697).

230110131031 is a wasteful number, since it uses less digits than its factorization.

230110131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294635333.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 230110131031 its reverse (130131011032), we get a palindrome (360241142063).

The spelling of 230110131031 in words is "two hundred thirty billion, one hundred ten million, one hundred thirty-one thousand, thirty-one".

Divisors: 1 11 71 781 294635251 3240987761 20919102821 230110131031