1005254143431 has 8 divisors (see below), whose sum is σ = 1340454123120. Its totient is φ = 670111796352.

The previous prime is 1005254143427. The next prime is 1005254143469. The reversal of 1005254143431 is 1343414525001.

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

It is not a de Polignac number, because 1005254143431 - 2² = 1005254143427 is a prime.

It is a super-2 number, since 2×1005254143431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005254143392 and 1005254143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005254147431) 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, 14367436 + ... + 14437233.

It is an arithmetic number, because the mean of its divisors is an integer number (167556765390).

Almost surely, 2^{1005254143431} is an apocalyptic number.

1005254143431 is a deficient number, since it is larger than the sum of its proper divisors (335199979689).

1005254143431 is a wasteful number, since it uses less digits than its factorization.

1005254143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28816305.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1005254143431 its reverse (1343414525001), we get a palindrome (2348668668432).

The spelling of 1005254143431 in words is "one trillion, five billion, two hundred fifty-four million, one hundred forty-three thousand, four hundred thirty-one".