40311111101 has 8 divisors (see below), whose sum is σ = 40600059864. Its totient is φ = 40022890560.

The previous prime is 40311111097. The next prime is 40311111149. The reversal of 40311111101 is 10111111304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 912025 + 40310199076 = 955^2 + 200774^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40311111101 - 2² = 40311111097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311111601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70706 + ... + 292611.

It is an arithmetic number, because the mean of its divisors is an integer number (5075007483).

Almost surely, 2^40311111101 is an apocalyptic number.

It is an amenable number.

40311111101 is a deficient number, since it is larger than the sum of its proper divisors (288948763).

40311111101 is a wasteful number, since it uses less digits than its factorization.

40311111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364111.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 40311111101 its reverse (10111111304), we get a palindrome (50422222405).

The spelling of 40311111101 in words is "forty billion, three hundred eleven million, one hundred eleven thousand, one hundred one".