231454330020025 has 96 divisors (see below), whose sum is σ = 336294110085120. Its totient is φ = 154714959463680.

The previous prime is 231454330019999. The next prime is 231454330020029. The reversal of 231454330020025 is 520020033454132.

It is not a de Polignac number, because 231454330020025 - 2³⁵ = 231419970281657 is a prime.

It is a super-2 number, since 2×231454330020025² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231454330020029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9555135064 + ... + 9555159286.

It is an arithmetic number, because the mean of its divisors is an integer number (3503063646720).

Almost surely, 2^{231454330020025} is an apocalyptic number.

231454330020025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231454330020025 is a deficient number, since it is larger than the sum of its proper divisors (104839780065095).

231454330020025 is a wasteful number, since it uses less digits than its factorization.

231454330020025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26735 (or 26730 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 231454330020025 its reverse (520020033454132), we get a palindrome (751474363474157).

The spelling of 231454330020025 in words is "two hundred thirty-one trillion, four hundred fifty-four billion, three hundred thirty million, twenty thousand, twenty-five".