40313113 has 4 divisors (see below), whose sum is σ = 41613568. Its totient is φ = 39012660.

The previous prime is 40313101. The next prime is 40313123. The reversal of 40313113 is 31131304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40313113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40313123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650181 + ... + 650242.

It is an arithmetic number, because the mean of its divisors is an integer number (10403392).

Almost surely, 2^40313113 is an apocalyptic number.

It is an amenable number.

40313113 is a deficient number, since it is larger than the sum of its proper divisors (1300455).

40313113 is a wasteful number, since it uses less digits than its factorization.

40313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300454.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 40313113 is about 6349.2608231195. The cubic root of 40313113 is about 342.8852304949.

Adding to 40313113 its reverse (31131304), we get a palindrome (71444417).

It can be divided in two parts, 403131 and 13, that multiplied together give a triangular number (5240703 = T₃₂₃₇).

The spelling of 40313113 in words is "forty million, three hundred thirteen thousand, one hundred thirteen".