231134202 has 192 divisors, whose sum is σ = 618393600. Its totient is φ = 63685440.

The previous prime is 231134161. The next prime is 231134243. The reversal of 231134202 is 202431132.

231134202 is a `hidden beast` number, since 231 + 13 + 420 + 2 = 666.

231134202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231134161) and next prime (231134243).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5375193 + ... + 5375235.

It is an arithmetic number, because the mean of its divisors is an integer number (3220800).

Almost surely, 2^231134202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231134202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309196800).

231134202 is an abundant number, since it is smaller than the sum of its proper divisors (387259398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231134202 is a wasteful number, since it uses less digits than its factorization.

231134202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 231134202 is about 15203.0984342008. The cubic root of 231134202 is about 613.6980428417.

Adding to 231134202 its reverse (202431132), we get a palindrome (433565334).

It can be divided in two parts, 23 and 1134202, that added together give a square (1134225 = 1065²).

The spelling of 231134202 in words is "two hundred thirty-one million, one hundred thirty-four thousand, two hundred two".