31443143214042 has 192 divisors, whose sum is σ = 79501506739200. Its totient is φ = 8796640849920.

The previous prime is 31443143214023. The next prime is 31443143214047. The reversal of 31443143214042 is 24041234134413.

31443143214042 is a `hidden beast` number, since 3 + 1 + 4 + 43 + 1 + 432 + 140 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31443143213988 and 31443143214006.

It is not an unprimeable number, because it can be changed into a prime (31443143214047) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 485074018 + ... + 485138834.

It is an arithmetic number, because the mean of its divisors is an integer number (414070347600).

Almost surely, 2^{31443143214042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31443143214042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39750753369600).

31443143214042 is an abundant number, since it is smaller than the sum of its proper divisors (48058363525158).

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

31443143214042 is a wasteful number, since it uses less digits than its factorization.

31443143214042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65341 (or 65338 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 31443143214042 its reverse (24041234134413), we get a palindrome (55484377348455).

The spelling of 31443143214042 in words is "thirty-one trillion, four hundred forty-three billion, one hundred forty-three million, two hundred fourteen thousand, forty-two".