40111102031 has 54 divisors (see below), whose sum is σ = 55537314336. Its totient is φ = 28850421600.

The previous prime is 40111102007. The next prime is 40111102037. The reversal of 40111102031 is 13020111104.

It is not a de Polignac number, because 40111102031 - 2⁶ = 40111101967 is a prime.

It is a super-2 number, since 2×40111102031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40111101997 and 40111102015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40111102037) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 981986 + ... + 1022016.

It is an arithmetic number, because the mean of its divisors is an integer number (1028468784).

Almost surely, 2^40111102031 is an apocalyptic number.

40111102031 is a deficient number, since it is larger than the sum of its proper divisors (15426212305).

40111102031 is a wasteful number, since it uses less digits than its factorization.

40111102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40093 (or 40062 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 40111102031 its reverse (13020111104), we get a palindrome (53131213135).

The spelling of 40111102031 in words is "forty billion, one hundred eleven million, one hundred two thousand, thirty-one".