1101224320431 has 16 divisors (see below), whose sum is σ = 1502584364160. Its totient is φ = 717010066080.

The previous prime is 1101224320411. The next prime is 1101224320457. The reversal of 1101224320431 is 1340234221011.

It is not a de Polignac number, because 1101224320431 - 2¹⁵ = 1101224287663 is a prime.

It is a super-2 number, since 2×1101224320431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101224320411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027521 + ... + 1805061.

It is an arithmetic number, because the mean of its divisors is an integer number (93911522760).

Almost surely, 2^{1101224320431} is an apocalyptic number.

1101224320431 is a deficient number, since it is larger than the sum of its proper divisors (401360043729).

1101224320431 is a wasteful number, since it uses less digits than its factorization.

1101224320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788566.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1101224320431 its reverse (1340234221011), we get a palindrome (2441458541442).

The spelling of 1101224320431 in words is "one trillion, one hundred one billion, two hundred twenty-four million, three hundred twenty thousand, four hundred thirty-one".