1043501111331 has 16 divisors (see below), whose sum is σ = 1590534970368. Its totient is φ = 596122084800.

The previous prime is 1043501111311. The next prime is 1043501111369. The reversal of 1043501111331 is 1331111053401.

1043501111331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1043501111331 - 2¹⁷ = 1043500980259 is a prime.

It is a super-2 number, since 2×1043501111331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1043501111311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6766290 + ... + 6918791.

It is an arithmetic number, because the mean of its divisors is an integer number (99408435648).

Almost surely, 2^{1043501111331} is an apocalyptic number.

1043501111331 is a deficient number, since it is larger than the sum of its proper divisors (547033859037).

1043501111331 is a wasteful number, since it uses less digits than its factorization.

1043501111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13688722.

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 1043501111331 its reverse (1331111053401), we get a palindrome (2374612164732).

The spelling of 1043501111331 in words is "one trillion, forty-three billion, five hundred one million, one hundred eleven thousand, three hundred thirty-one".