154213144631231 has 8 divisors (see below), whose sum is σ = 177988579942944. Its totient is φ = 130873955839200.

The previous prime is 154213144631209. The next prime is 154213144631233. The reversal of 154213144631231 is 132136441312451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 154213144631231 - 2¹⁸ = 154213144369087 is a prime.

It is a super-2 number, since 2×154213144631231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154213144631233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109061629160 + ... + 109061630573.

It is an arithmetic number, because the mean of its divisors is an integer number (22248572492868).

Almost surely, 2^{154213144631231} is an apocalyptic number.

154213144631231 is a deficient number, since it is larger than the sum of its proper divisors (23775435311713).

154213144631231 is a wasteful number, since it uses less digits than its factorization.

154213144631231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218123259841.

The product of its digits is 207360, while the sum is 41.

Adding to 154213144631231 its reverse (132136441312451), we get a palindrome (286349585943682).

The spelling of 154213144631231 in words is "one hundred fifty-four trillion, two hundred thirteen billion, one hundred forty-four million, six hundred thirty-one thousand, two hundred thirty-one".