1013971211 has 6 divisors (see below), whose sum is σ = 1106265636. Its totient is φ = 921696000.

The previous prime is 1013971207. The next prime is 1013971213. The reversal of 1013971211 is 1121793101.

It is not a de Polignac number, because 1013971211 - 2² = 1013971207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013971213) 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 5 ways as a sum of consecutive naturals, for example, 100811 + ... + 110411.

It is an arithmetic number, because the mean of its divisors is an integer number (184377606).

Almost surely, 2^1013971211 is an apocalyptic number.

1013971211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1013971211 is a deficient number, since it is larger than the sum of its proper divisors (92294425).

1013971211 is an frugal number, since it uses more digits than its factorization.

1013971211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19213 (or 9612 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 26.

The square root of 1013971211 is about 31842.9146122022. The cubic root of 1013971211 is about 1004.6355488171.

The spelling of 1013971211 in words is "one billion, thirteen million, nine hundred seventy-one thousand, two hundred eleven".