148031231 has 4 divisors (see below), whose sum is σ = 152806464. Its totient is φ = 143256000.

The previous prime is 148031203. The next prime is 148031251. The reversal of 148031231 is 132130841.

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 148031231 - 2¹⁴ = 148014847 is a prime.

It is a super-2 number, since 2×148031231² = 43826490702750722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148031197 and 148031206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148031251) 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, 2387570 + ... + 2387631.

It is an arithmetic number, because the mean of its divisors is an integer number (38201616).

Almost surely, 2^148031231 is an apocalyptic number.

148031231 is a deficient number, since it is larger than the sum of its proper divisors (4775233).

148031231 is an equidigital number, since it uses as much as digits as its factorization.

148031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775232.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 148031231 is about 12166.8085790810. The cubic root of 148031231 is about 528.9944515530.

The spelling of 148031231 in words is "one hundred forty-eight million, thirty-one thousand, two hundred thirty-one".