1043642402031 has 8 divisors (see below), whose sum is σ = 1411122121344. Its totient is φ = 685962142040.

The previous prime is 1043642402003. The next prime is 1043642402041. The reversal of 1043642402031 is 1302042463401.

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 1043642402031 - 2¹³ = 1043642393839 is a prime.

It is a super-2 number, since 2×1043642402031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1043642402031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043642402041) 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, 2449864581 + ... + 2449865006.

It is an arithmetic number, because the mean of its divisors is an integer number (176390265168).

Almost surely, 2^{1043642402031} is an apocalyptic number.

1043642402031 is a deficient number, since it is larger than the sum of its proper divisors (367479719313).

1043642402031 is an equidigital number, since it uses as much as digits as its factorization.

1043642402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899729661.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1043642402031 its reverse (1302042463401), we get a palindrome (2345684865432).

The spelling of 1043642402031 in words is "one trillion, forty-three billion, six hundred forty-two million, four hundred two thousand, thirty-one".