197431188328700 has 72 divisors (see below), whose sum is σ = 428556506169792. Its totient is φ = 78948363386880.

The previous prime is 197431188328639. The next prime is 197431188328709. The reversal of 197431188328700 is 7823881134791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197431188328709) 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, 7373149712 + ... + 7373176488.

Almost surely, 2^{197431188328700} is an apocalyptic number.

197431188328700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197431188328700 is an abundant number, since it is smaller than the sum of its proper divisors (231125317841092).

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

197431188328700 is a wasteful number, since it uses less digits than its factorization.

197431188328700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46551 (or 46544 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 197431188328700 in words is "one hundred ninety-seven trillion, four hundred thirty-one billion, one hundred eighty-eight million, three hundred twenty-eight thousand, seven hundred".