40131133213 has 4 divisors (see below), whose sum is σ = 40136024160. Its totient is φ = 40126242268.

The previous prime is 40131133199. The next prime is 40131133219. The reversal of 40131133213 is 31233113104.

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-40131133213 is a prime.

It is a super-2 number, since 2×40131133213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131133219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2433145 + ... + 2449582.

It is an arithmetic number, because the mean of its divisors is an integer number (10034006040).

Almost surely, 2^40131133213 is an apocalyptic number.

It is an amenable number.

40131133213 is a deficient number, since it is larger than the sum of its proper divisors (4890947).

40131133213 is an equidigital number, since it uses as much as digits as its factorization.

40131133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890946.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 40131133213 its reverse (31233113104), we get a palindrome (71364246317).

The spelling of 40131133213 in words is "forty billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred thirteen".