40342231121213 has 8 divisors (see below), whose sum is σ = 46108799452800. Its totient is φ = 34576510903920.

The previous prime is 40342231121197. The next prime is 40342231121221. The reversal of 40342231121213 is 31212113224304.

It is a happy number.

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 40342231121213 - 2⁴ = 40342231121197 is a prime.

It is a super-2 number, since 2×40342231121213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40342231121233) 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, 211926638 + ... + 212116911.

It is an arithmetic number, because the mean of its divisors is an integer number (5763599931600).

Almost surely, 2^{40342231121213} is an apocalyptic number.

It is an amenable number.

40342231121213 is a deficient number, since it is larger than the sum of its proper divisors (5766568331587).

40342231121213 is a wasteful number, since it uses less digits than its factorization.

40342231121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424057147.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 40342231121213 its reverse (31212113224304), we get a palindrome (71554344345517).

The spelling of 40342231121213 in words is "forty trillion, three hundred forty-two billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred thirteen".