10040020032531 has 8 divisors (see below), whose sum is σ = 13386780968080. Its totient is φ = 6693302892672.

The previous prime is 10040020032529. The next prime is 10040020032587. The reversal of 10040020032531 is 13523002004001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10040020032531 - 2¹ = 10040020032529 is a prime.

It is a super-2 number, since 2×10040020032531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10040020032498 and 10040020032507.

It is not an unprimeable number, because it can be changed into a prime (10040020032131) 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 7 ways as a sum of consecutive naturals, for example, 10410226 + ... + 11333703.

It is an arithmetic number, because the mean of its divisors is an integer number (1673347621010).

Almost surely, 2^{10040020032531} is an apocalyptic number.

10040020032531 is a deficient number, since it is larger than the sum of its proper divisors (3346760935549).

10040020032531 is a wasteful number, since it uses less digits than its factorization.

10040020032531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897845.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 10040020032531 its reverse (13523002004001), we get a palindrome (23563022036532).

The spelling of 10040020032531 in words is "ten trillion, forty billion, twenty million, thirty-two thousand, five hundred thirty-one".