31022043130011 has 4 divisors (see below), whose sum is σ = 41362724173352. Its totient is φ = 20681362086672.

The previous prime is 31022043130009. The next prime is 31022043130019. The reversal of 31022043130011 is 11003134022013.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31022043130011 - 2¹ = 31022043130009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31022043130011.

It is not an unprimeable number, because it can be changed into a prime (31022043130019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5170340521666 + ... + 5170340521671.

It is an arithmetic number, because the mean of its divisors is an integer number (10340681043338).

Almost surely, 2^{31022043130011} is an apocalyptic number.

31022043130011 is a deficient number, since it is larger than the sum of its proper divisors (10340681043341).

31022043130011 is a wasteful number, since it uses less digits than its factorization.

31022043130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340681043340.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31022043130011 its reverse (11003134022013), we get a palindrome (42025177152024).

It can be divided in two parts, 3102204 and 3130011, that added together give a triangular number (6232215 = T₃₅₃₀).

The spelling of 31022043130011 in words is "thirty-one trillion, twenty-two billion, forty-three million, one hundred thirty thousand, eleven".