231513335110200 has 768 divisors, whose sum is σ = 846967875586560. Its totient is φ = 51573722112000.

The previous prime is 231513335110181. The next prime is 231513335110219. The reversal of 231513335110200 is 2011533315132.

It is an interprime number because it is at equal distance from previous prime (231513335110181) and next prime (231513335110219).

It is a super-2 number, since 2×231513335110200² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 25466207655 + ... + 25466216745.

It is an arithmetic number, because the mean of its divisors is an integer number (1102822754670).

Almost surely, 2^{231513335110200} is an apocalyptic number.

231513335110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231513335110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423483937793280).

231513335110200 is an abundant number, since it is smaller than the sum of its proper divisors (615454540476360).

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

231513335110200 is a wasteful number, since it uses less digits than its factorization.

231513335110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440 (or 10431 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 231513335110200 its reverse (2011533315132), we get a palindrome (233524868425332).

The spelling of 231513335110200 in words is "two hundred thirty-one trillion, five hundred thirteen billion, three hundred thirty-five million, one hundred ten thousand, two hundred".