231245151 has 16 divisors (see below), whose sum is σ = 332113920. Its totient is φ = 142702560.

The previous prime is 231245111. The next prime is 231245171. The reversal of 231245151 is 151542132.

It is a happy number.

It is not a de Polignac number, because 231245151 - 2⁹ = 231244639 is a prime.

It is a super-2 number, since 2×231245151² = 106948639722025602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231245111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51916 + ... + 56193.

It is an arithmetic number, because the mean of its divisors is an integer number (20757120).

Almost surely, 2^231245151 is an apocalyptic number.

231245151 is a deficient number, since it is larger than the sum of its proper divisors (100868769).

231245151 is a wasteful number, since it uses less digits than its factorization.

231245151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108166.

The product of its digits is 1200, while the sum is 24.

The square root of 231245151 is about 15206.7468907719. The cubic root of 231245151 is about 613.7962228770.

Adding to 231245151 its reverse (151542132), we get a palindrome (382787283).

The spelling of 231245151 in words is "two hundred thirty-one million, two hundred forty-five thousand, one hundred fifty-one".