1003531402043 has 4 divisors (see below), whose sum is σ = 1003625490840. Its totient is φ = 1003437313248.

The previous prime is 1003531401973. The next prime is 1003531402057. The reversal of 1003531402043 is 3402041353001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003531402043 - 2³⁰ = 1002457660219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003531405043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47028398 + ... + 47049731.

It is an arithmetic number, because the mean of its divisors is an integer number (250906372710).

Almost surely, 2^{1003531402043} is an apocalyptic number.

1003531402043 is a deficient number, since it is larger than the sum of its proper divisors (94088797).

1003531402043 is an equidigital number, since it uses as much as digits as its factorization.

1003531402043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94088796.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1003531402043 its reverse (3402041353001), we get a palindrome (4405572755044).

The spelling of 1003531402043 in words is "one trillion, three billion, five hundred thirty-one million, four hundred two thousand, forty-three".