40231112020031 has 4 divisors (see below), whose sum is σ = 40231243204152. Its totient is φ = 40230980835912.

The previous prime is 40231112019869. The next prime is 40231112020039. The reversal of 40231112020031 is 13002021113204.

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 40231112020031 - 2¹⁴ = 40231112003647 is a prime.

It is a super-2 number, since 2×40231112020031² (a number of 28 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 = 40231112019985 and 40231112020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231112020039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65130965 + ... + 65745758.

It is an arithmetic number, because the mean of its divisors is an integer number (10057810801038).

Almost surely, 2^{40231112020031} is an apocalyptic number.

40231112020031 is a deficient number, since it is larger than the sum of its proper divisors (131184121).

40231112020031 is a wasteful number, since it uses less digits than its factorization.

40231112020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131184120.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 40231112020031 its reverse (13002021113204), we get a palindrome (53233133133235).

The spelling of 40231112020031 in words is "forty trillion, two hundred thirty-one billion, one hundred twelve million, twenty thousand, thirty-one".