105233012431 has 2 divisors, whose sum is σ = 105233012432. Its totient is φ = 105233012430.

The previous prime is 105233012407. The next prime is 105233012477. The reversal of 105233012431 is 134210332501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105233012431 - 2¹⁹ = 105232488143 is a prime.

It is a super-2 number, since 2×105233012431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105233012396 and 105233012405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105233019431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52616506215 + 52616506216.

It is an arithmetic number, because the mean of its divisors is an integer number (52616506216).

Almost surely, 2^105233012431 is an apocalyptic number.

105233012431 is a deficient number, since it is larger than the sum of its proper divisors (1).

105233012431 is an equidigital number, since it uses as much as digits as its factorization.

105233012431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 105233012431 its reverse (134210332501), we get a palindrome (239443344932).

The spelling of 105233012431 in words is "one hundred five billion, two hundred thirty-three million, twelve thousand, four hundred thirty-one".