540031123203231 has 12 divisors (see below), whose sum is σ = 791450571747416. Its totient is φ = 327291589819920.

The previous prime is 540031123203197. The next prime is 540031123203241. The reversal of 540031123203231 is 132302321130045.

It is not a de Polignac number, because 540031123203231 - 2¹¹ = 540031123201183 is a prime.

It is a super-2 number, since 2×540031123203231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540031123203241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743844521956 + ... + 743844522681.

Almost surely, 2^{540031123203231} is an apocalyptic number.

540031123203231 is a deficient number, since it is larger than the sum of its proper divisors (251419448544185).

540031123203231 is a wasteful number, since it uses less digits than its factorization.

540031123203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487689044662 (or 1487689044651 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 540031123203231 its reverse (132302321130045), we get a palindrome (672333444333276).

The spelling of 540031123203231 in words is "five hundred forty trillion, thirty-one billion, one hundred twenty-three million, two hundred three thousand, two hundred thirty-one".