351431245222120 has 128 divisors (see below), whose sum is σ = 976951724716800. Its totient is φ = 111063985422336.

The previous prime is 351431245222097. The next prime is 351431245222133. The reversal of 351431245222120 is 21222542134153.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 351431245222120.

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, 892485657 + ... + 892879336.

It is an arithmetic number, because the mean of its divisors is an integer number (7632435349350).

Almost surely, 2^{351431245222120} is an apocalyptic number.

It is an amenable number.

351431245222120 is an abundant number, since it is smaller than the sum of its proper divisors (625520479494680).

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

351431245222120 is a wasteful number, since it uses less digits than its factorization.

351431245222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785365067 (or 1785365063 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 351431245222120 its reverse (21222542134153), we get a palindrome (372653787356273).

The spelling of 351431245222120 in words is "three hundred fifty-one trillion, four hundred thirty-one billion, two hundred forty-five million, two hundred twenty-two thousand, one hundred twenty".