31040243222 has 8 divisors (see below), whose sum is σ = 47121333336. Its totient is φ = 15333132112.

The previous prime is 31040243189. The next prime is 31040243231. The reversal of 31040243222 is 22234204013.

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

It is a congruent number.

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, 93494543 + ... + 93494874.

It is an arithmetic number, because the mean of its divisors is an integer number (5890166667).

Almost surely, 2^31040243222 is an apocalyptic number.

31040243222 is a deficient number, since it is larger than the sum of its proper divisors (16081090114).

31040243222 is a wasteful number, since it uses less digits than its factorization.

31040243222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186989502.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31040243222 its reverse (22234204013), we get a palindrome (53274447235).

The spelling of 31040243222 in words is "thirty-one billion, forty million, two hundred forty-three thousand, two hundred twenty-two".