40313323121 has 16 divisors (see below), whose sum is σ = 40972884480. Its totient is φ = 39659917440.

The previous prime is 40313323111. The next prime is 40313323147. The reversal of 40313323121 is 12132331304.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40313323121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40313323111) 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, 22917440 + ... + 22919198.

It is an arithmetic number, because the mean of its divisors is an integer number (2560805280).

Almost surely, 2^40313323121 is an apocalyptic number.

It is an amenable number.

40313323121 is a deficient number, since it is larger than the sum of its proper divisors (659561359).

40313323121 is a wasteful number, since it uses less digits than its factorization.

40313323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 40313323121 its reverse (12132331304), we get a palindrome (52445654425).

The spelling of 40313323121 in words is "forty billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred twenty-one".