351142320521100 has 72 divisors (see below), whose sum is σ = 1015981003679040. Its totient is φ = 93637102095680.

The previous prime is 351142320521089. The next prime is 351142320521101. The reversal of 351142320521100 is 1125023241153.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (351142320521101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28139791 + ... + 38654009.

It is an arithmetic number, because the mean of its divisors is an integer number (14110847273320).

Almost surely, 2^{351142320521100} is an apocalyptic number.

351142320521100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

351142320521100 is an abundant number, since it is smaller than the sum of its proper divisors (664838683157940).

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

351142320521100 is a wasteful number, since it uses less digits than its factorization.

351142320521100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625559 (or 10625552 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 351142320521100 its reverse (1125023241153), we get a palindrome (352267343762253).

The spelling of 351142320521100 in words is "three hundred fifty-one trillion, one hundred forty-two billion, three hundred twenty million, five hundred twenty-one thousand, one hundred".