331012040044042 has 32 divisors (see below), whose sum is σ = 573301884742272. Its totient is φ = 140399148248064.

The previous prime is 331012040044003. The next prime is 331012040044057. The reversal of 331012040044042 is 240440040210133.

It is a self number, because there is not a number n which added to its sum of digits gives 331012040044042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386755993 + ... + 387610915.

It is an arithmetic number, because the mean of its divisors is an integer number (17915683898196).

Almost surely, 2^{331012040044042} is an apocalyptic number.

331012040044042 is a deficient number, since it is larger than the sum of its proper divisors (242289844698230).

331012040044042 is a wasteful number, since it uses less digits than its factorization.

331012040044042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140142.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 331012040044042 its reverse (240440040210133), we get a palindrome (571452080254175).

The spelling of 331012040044042 in words is "three hundred thirty-one trillion, twelve billion, forty million, forty-four thousand, forty-two".