231402000675320 has 128 divisors (see below), whose sum is σ = 548792199604800. Its totient is φ = 87714960592896.

The previous prime is 231402000675319. The next prime is 231402000675331. The reversal of 231402000675320 is 23576000204132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20330 + ... + 21512889.

Almost surely, 2^{231402000675320} is an apocalyptic number.

231402000675320 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 231402000675320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274396099802400).

231402000675320 is an abundant number, since it is smaller than the sum of its proper divisors (317390198929480).

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

231402000675320 is a wasteful number, since it uses less digits than its factorization.

231402000675320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21533457 (or 21533453 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

Adding to 231402000675320 its reverse (23576000204132), we get a palindrome (254978000879452).

The spelling of 231402000675320 in words is "two hundred thirty-one trillion, four hundred two billion, six hundred seventy-five thousand, three hundred twenty".