31330133414442 has 64 divisors (see below), whose sum is σ = 73397521612800. Its totient is φ = 9891462823920.

The previous prime is 31330133414431. The next prime is 31330133414449. The reversal of 31330133414442 is 24441433103313.

31330133414442 is a `hidden beast` number, since 3 + 1 + 3 + 301 + 3 + 341 + 4 + 4 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31330133414397 and 31330133414406.

It is not an unprimeable number, because it can be changed into a prime (31330133414449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199024842 + ... + 199182197.

It is an arithmetic number, because the mean of its divisors is an integer number (1146836275200).

Almost surely, 2^{31330133414442} is an apocalyptic number.

31330133414442 is an abundant number, since it is smaller than the sum of its proper divisors (42067388198358).

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

31330133414442 is a wasteful number, since it uses less digits than its factorization.

31330133414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398207128 (or 398207122 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 31330133414442 its reverse (24441433103313), we get a palindrome (55771566517755).

The spelling of 31330133414442 in words is "thirty-one trillion, three hundred thirty billion, one hundred thirty-three million, four hundred fourteen thousand, four hundred forty-two".