331340422402 has 16 divisors (see below), whose sum is σ = 542329077024. Its totient is φ = 150571600000.

The previous prime is 331340422393. The next prime is 331340422433. The reversal of 331340422402 is 204224043133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794124 + ... + 1970167.

It is an arithmetic number, because the mean of its divisors is an integer number (33895567314).

Almost surely, 2^331340422402 is an apocalyptic number.

331340422402 is a deficient number, since it is larger than the sum of its proper divisors (210988654622).

331340422402 is a wasteful number, since it uses less digits than its factorization.

331340422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768305.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 331340422402 its reverse (204224043133), we get a palindrome (535564465535).

The spelling of 331340422402 in words is "three hundred thirty-one billion, three hundred forty million, four hundred twenty-two thousand, four hundred two".