31222406041042 has 16 divisors (see below), whose sum is σ = 47995402845600. Its totient is φ = 15224248118560.

The previous prime is 31222406041027. The next prime is 31222406041061. The reversal of 31222406041042 is 24014060422213.

It is a junction number, because it is equal to n+sod(n) for n = 31222406040995 and 31222406041013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77220292 + ... + 77623567.

It is an arithmetic number, because the mean of its divisors is an integer number (2999712677850).

Almost surely, 2^{31222406041042} is an apocalyptic number.

31222406041042 is a deficient number, since it is larger than the sum of its proper divisors (16772996804558).

31222406041042 is a wasteful number, since it uses less digits than its factorization.

31222406041042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154846361.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 31222406041042 its reverse (24014060422213), we get a palindrome (55236466463255).

The spelling of 31222406041042 in words is "thirty-one trillion, two hundred twenty-two billion, four hundred six million, forty-one thousand, forty-two".