40013312031011 has 16 divisors (see below), whose sum is σ = 44835725809248. Its totient is φ = 35388594662400.

The previous prime is 40013312030999. The next prime is 40013312031019. The reversal of 40013312031011 is 11013021331004.

It is a cyclic number.

It is not a de Polignac number, because 40013312031011 - 2³⁰ = 40012238289187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40013312031019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982510 + ... + 9162803.

It is an arithmetic number, because the mean of its divisors is an integer number (2802232863078).

Almost surely, 2^{40013312031011} is an apocalyptic number.

40013312031011 is a deficient number, since it is larger than the sum of its proper divisors (4822413778237).

40013312031011 is a wasteful number, since it uses less digits than its factorization.

40013312031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154182.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 40013312031011 its reverse (11013021331004), we get a palindrome (51026333362015).

The spelling of 40013312031011 in words is "forty trillion, thirteen billion, three hundred twelve million, thirty-one thousand, eleven".