231148701 has 32 divisors (see below), whose sum is σ = 395270400. Its totient is φ = 130766400.

The previous prime is 231148691. The next prime is 231148717. The reversal of 231148701 is 107841132.

It is not a de Polignac number, because 231148701 - 2¹⁵ = 231115933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231148721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13035 + ... + 25143.

It is an arithmetic number, because the mean of its divisors is an integer number (12352200).

Almost surely, 2^231148701 is an apocalyptic number.

231148701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

231148701 is a deficient number, since it is larger than the sum of its proper divisors (164121699).

231148701 is a wasteful number, since it uses less digits than its factorization.

231148701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226 (or 12220 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 231148701 is about 15203.5752703106. The cubic root of 231148701 is about 613.7108749565.

Adding to 231148701 its reverse (107841132), we get a palindrome (338989833).

The spelling of 231148701 in words is "two hundred thirty-one million, one hundred forty-eight thousand, seven hundred one".