400034211213231 has 12 divisors (see below), whose sum is σ = 660373935971152. Its totient is φ = 228590977836096.

The previous prime is 400034211213211. The next prime is 400034211213253. The reversal of 400034211213231 is 132312112430004.

400034211213231 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 3 + 4 + 211 + 213 + 231 = 666.

It is not a de Polignac number, because 400034211213231 - 2²⁷ = 400034076995503 is a prime.

It is a super-2 number, since 2×400034211213231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400034211213195 and 400034211213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400034211213211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3174874692106 + ... + 3174874692231.

Almost surely, 2^{400034211213231} is an apocalyptic number.

400034211213231 is a deficient number, since it is larger than the sum of its proper divisors (260339724757921).

400034211213231 is a wasteful number, since it uses less digits than its factorization.

400034211213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349749384350 (or 6349749384347 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 400034211213231 its reverse (132312112430004), we get a palindrome (532346323643235).

The spelling of 400034211213231 in words is "four hundred trillion, thirty-four billion, two hundred eleven million, two hundred thirteen thousand, two hundred thirty-one".