40031011211020 has 12 divisors (see below), whose sum is σ = 84065123543184. Its totient is φ = 16012404484400.

The previous prime is 40031011210979. The next prime is 40031011211027. The reversal of 40031011211020 is 2011211013004.

It is a junction number, because it is equal to n+sod(n) for n = 40031011210985 and 40031011211003.

It is not an unprimeable number, because it can be changed into a prime (40031011211027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000775280256 + ... + 1000775280295.

It is an arithmetic number, because the mean of its divisors is an integer number (7005426961932).

Almost surely, 2^{40031011211020} is an apocalyptic number.

It is an amenable number.

40031011211020 is an abundant number, since it is smaller than the sum of its proper divisors (44034112332164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40031011211020 is a wasteful number, since it uses less digits than its factorization.

40031011211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001550560560 (or 2001550560558 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 40031011211020 its reverse (2011211013004), we get a palindrome (42042222224024).

The spelling of 40031011211020 in words is "forty trillion, thirty-one billion, eleven million, two hundred eleven thousand, twenty".