31422040211 has 8 divisors (see below), whose sum is σ = 31866022080. Its totient is φ = 30978424512.

The previous prime is 31422040201. The next prime is 31422040213. The reversal of 31422040211 is 11204022413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31422040211 is a prime.

It is a super-2 number, since 2×31422040211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31422040213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83645 + ... + 264273.

It is an arithmetic number, because the mean of its divisors is an integer number (3983252760).

Almost surely, 2^31422040211 is an apocalyptic number.

31422040211 is a deficient number, since it is larger than the sum of its proper divisors (443981869).

31422040211 is a wasteful number, since it uses less digits than its factorization.

31422040211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183085.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31422040211 its reverse (11204022413), we get a palindrome (42626062624).

The spelling of 31422040211 in words is "thirty-one billion, four hundred twenty-two million, forty thousand, two hundred eleven".