1100340431 has 2 divisors, whose sum is σ = 1100340432. Its totient is φ = 1100340430.

The previous prime is 1100340427. The next prime is 1100340457. The reversal of 1100340431 is 1340430011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100340431 - 2² = 1100340427 is a prime.

It is a super-2 number, since 2×1100340431² = 2421498128186531522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100340481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550170215 + 550170216.

It is an arithmetic number, because the mean of its divisors is an integer number (550170216).

Almost surely, 2^1100340431 is an apocalyptic number.

1100340431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100340431 is an equidigital number, since it uses as much as digits as its factorization.

1100340431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1100340431 is about 33171.3796969617. The cubic root of 1100340431 is about 1032.3865954277.

Adding to 1100340431 its reverse (1340430011), we get a palindrome (2440770442).

The spelling of 1100340431 in words is "one billion, one hundred million, three hundred forty thousand, four hundred thirty-one".