40311034021 has 8 divisors (see below), whose sum is σ = 40614227360. Its totient is φ = 40008029328.

The previous prime is 40311034009. The next prime is 40311034037. The reversal of 40311034021 is 12043011304.

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 40311034021 - 2⁹ = 40311033509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40311034021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311034061) 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, 397495 + ... + 488491.

It is an arithmetic number, because the mean of its divisors is an integer number (5076778420).

Almost surely, 2^40311034021 is an apocalyptic number.

It is an amenable number.

40311034021 is a deficient number, since it is larger than the sum of its proper divisors (303193339).

40311034021 is a wasteful number, since it uses less digits than its factorization.

40311034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94323.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 40311034021 its reverse (12043011304), we get a palindrome (52354045325).

The spelling of 40311034021 in words is "forty billion, three hundred eleven million, thirty-four thousand, twenty-one".