1001431105 has 16 divisors (see below), whose sum is σ = 1218478464. Its totient is φ = 790007680.

The previous prime is 1001431049. The next prime is 1001431117. The reversal of 1001431105 is 5011341001.

It is not a de Polignac number, because 1001431105 - 2⁹ = 1001430593 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254100 + ... + 258010.

It is an arithmetic number, because the mean of its divisors is an integer number (76154904).

Almost surely, 2^1001431105 is an apocalyptic number.

It is an amenable number.

1001431105 is a deficient number, since it is larger than the sum of its proper divisors (217047359).

1001431105 is an equidigital number, since it uses as much as digits as its factorization.

1001431105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1001431105 is about 31645.3962686518. The cubic root of 1001431105 is about 1000.4768076184.

Adding to 1001431105 its reverse (5011341001), we get a palindrome (6012772106).

The spelling of 1001431105 in words is "one billion, one million, four hundred thirty-one thousand, one hundred five".