1071131343 has 4 divisors (see below), whose sum is σ = 1428175128. Its totient is φ = 714087560.

The previous prime is 1071131329. The next prime is 1071131353. The reversal of 1071131343 is 3431311701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431311701 = 3 ⋅1143770567.

It is a cyclic number.

It is not a de Polignac number, because 1071131343 - 2¹² = 1071127247 is a prime.

It is a super-2 number, since 2×1071131343² = 2294644707913967298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071131323) 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 3 ways as a sum of consecutive naturals, for example, 178521888 + ... + 178521893.

It is an arithmetic number, because the mean of its divisors is an integer number (357043782).

Almost surely, 2^1071131343 is an apocalyptic number.

1071131343 is a deficient number, since it is larger than the sum of its proper divisors (357043785).

1071131343 is an equidigital number, since it uses as much as digits as its factorization.

1071131343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357043784.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1071131343 is about 32728.1429812325. The cubic root of 1071131343 is about 1023.1694770191.

The spelling of 1071131343 in words is "one billion, seventy-one million, one hundred thirty-one thousand, three hundred forty-three".