10403311543531 has 4 divisors (see below), whose sum is σ = 10855629436752. Its totient is φ = 9950993650312.

The previous prime is 10403311543381. The next prime is 10403311543549. The reversal of 10403311543531 is 13534511330401.

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 10403311543531 - 2¹³ = 10403311535339 is a prime.

It is a super-2 number, since 2×10403311543531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10403311543931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226158946576 + ... + 226158946621.

It is an arithmetic number, because the mean of its divisors is an integer number (2713907359188).

Almost surely, 2^{10403311543531} is an apocalyptic number.

10403311543531 is a deficient number, since it is larger than the sum of its proper divisors (452317893221).

10403311543531 is an equidigital number, since it uses as much as digits as its factorization.

10403311543531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452317893220.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 10403311543531 its reverse (13534511330401), we get a palindrome (23937822873932).

The spelling of 10403311543531 in words is "ten trillion, four hundred three billion, three hundred eleven million, five hundred forty-three thousand, five hundred thirty-one".