31441453015242 has 32 divisors (see below), whose sum is σ = 63144701141184. Its totient is φ = 10436873932800.

The previous prime is 31441453015151. The next prime is 31441453015283. The reversal of 31441453015242 is 24251035414413.

It is a self number, because there is not a number n which added to its sum of digits gives 31441453015242.

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, 2929392 + ... + 8453652.

It is an arithmetic number, because the mean of its divisors is an integer number (1973271910662).

Almost surely, 2^{31441453015242} is an apocalyptic number.

31441453015242 is an abundant number, since it is smaller than the sum of its proper divisors (31703248125942).

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

31441453015242 is a wasteful number, since it uses less digits than its factorization.

31441453015242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528214.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 31441453015242 its reverse (24251035414413), we get a palindrome (55692488429655).

The spelling of 31441453015242 in words is "thirty-one trillion, four hundred forty-one billion, four hundred fifty-three million, fifteen thousand, two hundred forty-two".