1011143343 has 16 divisors (see below), whose sum is σ = 1547410176. Its totient is φ = 575313600.

The previous prime is 1011143327. The next prime is 1011143347. The reversal of 1011143343 is 3433411101.

It is not a de Polignac number, because 1011143343 - 2⁴ = 1011143327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011143347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98433 + ... + 108218.

It is an arithmetic number, because the mean of its divisors is an integer number (96713136).

Almost surely, 2^1011143343 is an apocalyptic number.

1011143343 is a deficient number, since it is larger than the sum of its proper divisors (536266833).

1011143343 is a wasteful number, since it uses less digits than its factorization.

1011143343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206894.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1011143343 is about 31798.4801995315. The cubic root of 1011143343 is about 1003.7007353303.

Adding to 1011143343 its reverse (3433411101), we get a palindrome (4444554444).

The spelling of 1011143343 in words is "one billion, eleven million, one hundred forty-three thousand, three hundred forty-three".