40331031051 has 4 divisors (see below), whose sum is σ = 53774708072. Its totient is φ = 26887354032.

The previous prime is 40331031043. The next prime is 40331031077. The reversal of 40331031051 is 15013013304.

40331031051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40331031051 - 2³ = 40331031043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40331031011) 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, 6721838506 + ... + 6721838511.

It is an arithmetic number, because the mean of its divisors is an integer number (13443677018).

Almost surely, 2^40331031051 is an apocalyptic number.

40331031051 is a deficient number, since it is larger than the sum of its proper divisors (13443677021).

40331031051 is a wasteful number, since it uses less digits than its factorization.

40331031051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443677020.

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

Adding to 40331031051 its reverse (15013013304), we get a palindrome (55344044355).

The spelling of 40331031051 in words is "forty billion, three hundred thirty-one million, thirty-one thousand, fifty-one".