31011013422 has 12 divisors (see below), whose sum is σ = 67190529120. Its totient is φ = 10337004468.

The previous prime is 31011013387. The next prime is 31011013441. The reversal of 31011013422 is 22431011013.

31011013422 is a `hidden beast` number, since 310 + 1 + 10 + 1 + 342 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1722834079 = 31011013422 / (3 + 1 + 0 + 1 + 1 + 0 + 1 + 3 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 31011013395 and 31011013404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 861417022 + ... + 861417057.

It is an arithmetic number, because the mean of its divisors is an integer number (5599210760).

Almost surely, 2^31011013422 is an apocalyptic number.

31011013422 is an abundant number, since it is smaller than the sum of its proper divisors (36179515698).

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

31011013422 is a wasteful number, since it uses less digits than its factorization.

31011013422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722834087 (or 1722834084 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31011013422 its reverse (22431011013), we get a palindrome (53442024435).

The spelling of 31011013422 in words is "thirty-one billion, eleven million, thirteen thousand, four hundred twenty-two".