231141351 has 16 divisors (see below), whose sum is σ = 352815104. Its totient is φ = 131855904.

The previous prime is 231141349. The next prime is 231141353. The reversal of 231141351 is 153141132.

It is an interprime number because it is at equal distance from previous prime (231141349) and next prime (231141353).

It is not a de Polignac number, because 231141351 - 2¹ = 231141349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231141353) 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, 3681 + ... + 21813.

It is an arithmetic number, because the mean of its divisors is an integer number (22050944).

Almost surely, 2^231141351 is an apocalyptic number.

231141351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231141351 is a deficient number, since it is larger than the sum of its proper divisors (121673753).

231141351 is a wasteful number, since it uses less digits than its factorization.

231141351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18750.

The product of its digits is 360, while the sum is 21.

The square root of 231141351 is about 15203.3335489293. Note that the first 3 decimals coincide. The cubic root of 231141351 is about 613.7043700202.

Adding to 231141351 its reverse (153141132), we get a palindrome (384282483).

The spelling of 231141351 in words is "two hundred thirty-one million, one hundred forty-one thousand, three hundred fifty-one".