1231034143 has 8 divisors (see below), whose sum is σ = 1290388176. Its totient is φ = 1173076800.

The previous prime is 1231034093. The next prime is 1231034177. The reversal of 1231034143 is 3414301321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1231034143 - 2¹³ = 1231025951 is a prime.

It is a super-2 number, since 2×1231034143² = 3030890122463488898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231014143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347368 + ... + 350893.

It is an arithmetic number, because the mean of its divisors is an integer number (161298522).

Almost surely, 2^1231034143 is an apocalyptic number.

1231034143 is a deficient number, since it is larger than the sum of its proper divisors (59354033).

1231034143 is an equidigital number, since it uses as much as digits as its factorization.

1231034143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698345.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1231034143 is about 35086.0961493296. The cubic root of 1231034143 is about 1071.7414629439.

Adding to 1231034143 its reverse (3414301321), we get a palindrome (4645335464).

The spelling of 1231034143 in words is "one billion, two hundred thirty-one million, thirty-four thousand, one hundred forty-three".