231600351136 has 96 divisors (see below), whose sum is σ = 569014806528. Its totient is φ = 90147997440.

The previous prime is 231600351133. The next prime is 231600351163. The reversal of 231600351136 is 631153006132.

It is a junction number, because it is equal to n+sod(n) for n = 231600351098 and 231600351107.

It is not an unprimeable number, because it can be changed into a prime (231600351133) 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, 2575021 + ... + 2663443.

It is an arithmetic number, because the mean of its divisors is an integer number (5927237568).

Almost surely, 2^231600351136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231600351136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284507403264).

231600351136 is an abundant number, since it is smaller than the sum of its proper divisors (337414455392).

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

231600351136 is a wasteful number, since it uses less digits than its factorization.

231600351136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89514 (or 89506 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 231600351136 its reverse (631153006132), we get a palindrome (862753357268).

The spelling of 231600351136 in words is "two hundred thirty-one billion, six hundred million, three hundred fifty-one thousand, one hundred thirty-six".