331040121310442 has 8 divisors (see below), whose sum is σ = 496595030782500. Its totient is φ = 165508444382944.

The previous prime is 331040121310357. The next prime is 331040121310487. The reversal of 331040121310442 is 244013121040133.

It can be written as a sum of positive squares in 2 ways, for example, as 254598690910201 + 76441430400241 = 15956149^2 + 8743079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5808100517 + ... + 5808157512.

Almost surely, 2^{331040121310442} is an apocalyptic number.

331040121310442 is a deficient number, since it is larger than the sum of its proper divisors (165554909472058).

331040121310442 is a wasteful number, since it uses less digits than its factorization.

331040121310442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616272280.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 331040121310442 its reverse (244013121040133), we get a palindrome (575053242350575).

The spelling of 331040121310442 in words is "three hundred thirty-one trillion, forty billion, one hundred twenty-one million, three hundred ten thousand, four hundred forty-two".