31022143113 has 32 divisors (see below), whose sum is σ = 46756604160. Its totient is φ = 18260436480.

The previous prime is 31022143093. The next prime is 31022143121. The reversal of 31022143113 is 31134122013.

It is not a de Polignac number, because 31022143113 - 2⁸ = 31022142857 is a prime.

It is a super-3 number, since 3×31022143113³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31022143113.

It is not an unprimeable number, because it can be changed into a prime (31022143123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49273 + ... + 253913.

It is an arithmetic number, because the mean of its divisors is an integer number (1461143880).

Almost surely, 2^31022143113 is an apocalyptic number.

It is an amenable number.

31022143113 is a deficient number, since it is larger than the sum of its proper divisors (15734461047).

31022143113 is a wasteful number, since it uses less digits than its factorization.

31022143113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204706 (or 204680 counting only the distinct ones).

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

Adding to 31022143113 its reverse (31134122013), we get a palindrome (62156265126).

The spelling of 31022143113 in words is "thirty-one billion, twenty-two million, one hundred forty-three thousand, one hundred thirteen".