154163642120331 has 32 divisors (see below), whose sum is σ = 209831018496000. Its totient is φ = 100654433874720.

The previous prime is 154163642120303. The next prime is 154163642120333. The reversal of 154163642120331 is 133021246361451.

It is not a de Polignac number, because 154163642120331 - 2⁷ = 154163642120203 is a prime.

It is a super-2 number, since 2×154163642120331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154163642120333) 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 31 ways as a sum of consecutive naturals, for example, 66388320 + ... + 68671218.

It is an arithmetic number, because the mean of its divisors is an integer number (6557219328000).

Almost surely, 2^{154163642120331} is an apocalyptic number.

154163642120331 is a deficient number, since it is larger than the sum of its proper divisors (55667376375669).

154163642120331 is a wasteful number, since it uses less digits than its factorization.

154163642120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284919.

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 154163642120331 its reverse (133021246361451), we get a palindrome (287184888481782).

The spelling of 154163642120331 in words is "one hundred fifty-four trillion, one hundred sixty-three billion, six hundred forty-two million, one hundred twenty thousand, three hundred thirty-one".