105401431 has 2 divisors, whose sum is σ = 105401432. Its totient is φ = 105401430.

The previous prime is 105401381. The next prime is 105401437. The reversal of 105401431 is 134104501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105401431 - 2¹¹ = 105399383 is a prime.

It is a super-2 number, since 2×105401431² = 22218923313695522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105401399 and 105401408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105401437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52700715 + 52700716.

It is an arithmetic number, because the mean of its divisors is an integer number (52700716).

Almost surely, 2^105401431 is an apocalyptic number.

105401431 is a deficient number, since it is larger than the sum of its proper divisors (1).

105401431 is an equidigital number, since it uses as much as digits as its factorization.

105401431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 105401431 is about 10266.5199069597. The cubic root of 105401431 is about 472.3698489079.

Adding to 105401431 its reverse (134104501), we get a palindrome (239505932).

The spelling of 105401431 in words is "one hundred five million, four hundred one thousand, four hundred thirty-one".