331325401225 has 24 divisors (see below), whose sum is σ = 505653538880. Its totient is φ = 209718054720.

The previous prime is 331325401223. The next prime is 331325401249. The reversal of 331325401225 is 522104523133.

It is not a de Polignac number, because 331325401225 - 2¹ = 331325401223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331325401223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72816495 + ... + 72821044.

Almost surely, 2^331325401225 is an apocalyptic number.

331325401225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

331325401225 is a deficient number, since it is larger than the sum of its proper divisors (174328137655).

331325401225 is a wasteful number, since it uses less digits than its factorization.

331325401225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145637569 (or 145637564 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 331325401225 its reverse (522104523133), we get a palindrome (853429924358).

The spelling of 331325401225 in words is "three hundred thirty-one billion, three hundred twenty-five million, four hundred one thousand, two hundred twenty-five".