230105431 has 4 divisors (see below), whose sum is σ = 232216600. Its totient is φ = 227994264.

The previous prime is 230105423. The next prime is 230105443. The reversal of 230105431 is 134501032.

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 230105431 - 2³ = 230105423 is a prime.

It is a super-3 number, since 3×230105431³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230105399 and 230105408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230105461) 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, 1055421 + ... + 1055638.

It is an arithmetic number, because the mean of its divisors is an integer number (58054150).

Almost surely, 2^230105431 is an apocalyptic number.

230105431 is a deficient number, since it is larger than the sum of its proper divisors (2111169).

230105431 is a wasteful number, since it uses less digits than its factorization.

230105431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111168.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 230105431 is about 15169.2264469880. The cubic root of 230105431 is about 612.7861717581.

Adding to 230105431 its reverse (134501032), we get a palindrome (364606463).

It can be divided in two parts, 23010 and 5431, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 230105431 in words is "two hundred thirty million, one hundred five thousand, four hundred thirty-one".