154012330231 has 4 divisors (see below), whose sum is σ = 154013678352. Its totient is φ = 154010982112.

The previous prime is 154012330201. The next prime is 154012330253. The reversal of 154012330231 is 132033210451.

It is a happy number.

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 154012330231 - 2⁷ = 154012330103 is a prime.

It is a super-2 number, since 2×154012330231² (a number of 23 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 = 154012330196 and 154012330205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154012330201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485026 + ... + 737071.

It is an arithmetic number, because the mean of its divisors is an integer number (38503419588).

Almost surely, 2^154012330231 is an apocalyptic number.

154012330231 is a deficient number, since it is larger than the sum of its proper divisors (1348121).

154012330231 is a wasteful number, since it uses less digits than its factorization.

154012330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348120.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 154012330231 its reverse (132033210451), we get a palindrome (286045540682).

The spelling of 154012330231 in words is "one hundred fifty-four billion, twelve million, three hundred thirty thousand, two hundred thirty-one".