40311002 has 4 divisors (see below), whose sum is σ = 60466506. Its totient is φ = 20155500.

The previous prime is 40310993. The next prime is 40311013. The reversal of 40311002 is 20011304.

It is a happy number.

40311002 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 can be written as a sum of positive squares in only one way, i.e., 40081561 + 229441 = 6331^2 + 479^2 .

It is a super-3 number, since 3×40311002³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10077749 + ... + 10077752.

Almost surely, 2^40311002 is an apocalyptic number.

40311002 is a deficient number, since it is larger than the sum of its proper divisors (20155504).

40311002 is a wasteful number, since it uses less digits than its factorization.

40311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20155503.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40311002 is about 6349.0945811194. The cubic root of 40311002 is about 342.8792453178.

Adding to 40311002 its reverse (20011304), we get a palindrome (60322306).

The spelling of 40311002 in words is "forty million, three hundred eleven thousand, two".