36420401251331 has 4 divisors (see below), whose sum is σ = 36421185425952. Its totient is φ = 36419617076712.

The previous prime is 36420401251327. The next prime is 36420401251337. The reversal of 36420401251331 is 13315210402463.

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 36420401251331 - 2² = 36420401251327 is a prime.

It is a super-2 number, since 2×36420401251331² (a number of 28 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 = 36420401251291 and 36420401251300.

It is not an unprimeable number, because it can be changed into a prime (36420401251337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392017640 + ... + 392110533.

It is an arithmetic number, because the mean of its divisors is an integer number (9105296356488).

Almost surely, 2^{36420401251331} is an apocalyptic number.

36420401251331 is a deficient number, since it is larger than the sum of its proper divisors (784174621).

36420401251331 is an equidigital number, since it uses as much as digits as its factorization.

36420401251331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784174620.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 36420401251331 its reverse (13315210402463), we get a palindrome (49735611653794).

The spelling of 36420401251331 in words is "thirty-six trillion, four hundred twenty billion, four hundred one million, two hundred fifty-one thousand, three hundred thirty-one".