1101001431 has 16 divisors (see below), whose sum is σ = 1485216000. Its totient is φ = 725426688.

The previous prime is 1101001427. The next prime is 1101001439. The reversal of 1101001431 is 1341001011.

It is not a de Polignac number, because 1101001431 - 2² = 1101001427 is a prime.

It is a super-2 number, since 2×1101001431² = 2424408302128095522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101001439) 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, 140310 + ... + 147948.

It is an arithmetic number, because the mean of its divisors is an integer number (92826000).

Almost surely, 2^1101001431 is an apocalyptic number.

1101001431 is a deficient number, since it is larger than the sum of its proper divisors (384214569).

1101001431 is a wasteful number, since it uses less digits than its factorization.

1101001431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8198.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1101001431 is about 33181.3416094045. The cubic root of 1101001431 is about 1032.5932802318.

Adding to 1101001431 its reverse (1341001011), we get a palindrome (2442002442).

The spelling of 1101001431 in words is "one billion, one hundred one million, one thousand, four hundred thirty-one".