126324200031 has 4 divisors (see below), whose sum is σ = 168432266712. Its totient is φ = 84216133352.

The previous prime is 126324200011. The next prime is 126324200047. The reversal of 126324200031 is 130002423621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126324200031 - 2²² = 126320005727 is a prime.

It is a super-2 number, since 2×126324200031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126324199974 and 126324200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126324200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21054033336 + ... + 21054033341.

It is an arithmetic number, because the mean of its divisors is an integer number (42108066678).

Almost surely, 2^126324200031 is an apocalyptic number.

126324200031 is a deficient number, since it is larger than the sum of its proper divisors (42108066681).

126324200031 is an equidigital number, since it uses as much as digits as its factorization.

126324200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42108066680.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 126324200031 its reverse (130002423621), we get a palindrome (256326623652).

The spelling of 126324200031 in words is "one hundred twenty-six billion, three hundred twenty-four million, two hundred thousand, thirty-one".