154220300031 has 16 divisors (see below), whose sum is σ = 235009594368. Its totient is φ = 88123173600.

The previous prime is 154220299943. The next prime is 154220300093. The reversal of 154220300031 is 130003022451.

It is not a de Polignac number, because 154220300031 - 2²³ = 154211911423 is a prime.

It is a super-2 number, since 2×154220300031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 154220299980 and 154220300007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154220304031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732826 + ... + 919496.

It is an arithmetic number, because the mean of its divisors is an integer number (14688099648).

Almost surely, 2^154220300031 is an apocalyptic number.

154220300031 is a deficient number, since it is larger than the sum of its proper divisors (80789294337).

154220300031 is a wasteful number, since it uses less digits than its factorization.

154220300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226022.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 154220300031 its reverse (130003022451), we get a palindrome (284223322482).

The spelling of 154220300031 in words is "one hundred fifty-four billion, two hundred twenty million, three hundred thousand, thirty-one".