1533100040031 has 40 divisors (see below), whose sum is σ = 2461605922304. Its totient is φ = 847797133680.

The previous prime is 1533100039987. The next prime is 1533100040033. The reversal of 1533100040031 is 1300400013351.

It is not a de Polignac number, because 1533100040031 - 2³⁰ = 1532026298207 is a prime.

It is a super-2 number, since 2×1533100040031² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1533100040033) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3209641 + ... + 3656226.

Almost surely, 2^{1533100040031} is an apocalyptic number.

1533100040031 is a deficient number, since it is larger than the sum of its proper divisors (928505882273).

1533100040031 is an frugal number, since it uses more digits than its factorization.

1533100040031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865929 (or 6865908 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 1533100040031 its reverse (1300400013351), we get a palindrome (2833500053382).

The spelling of 1533100040031 in words is "one trillion, five hundred thirty-three billion, one hundred million, forty thousand, thirty-one".