31022041340 has 48 divisors (see below), whose sum is σ = 66174669792. Its totient is φ = 12214415616.

The previous prime is 31022041321. The next prime is 31022041363. The reversal of 31022041340 is 4314022013.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289814 + ... + 382146.

It is an arithmetic number, because the mean of its divisors is an integer number (1378638954).

Almost surely, 2^31022041340 is an apocalyptic number.

It is an amenable number.

31022041340 is an abundant number, since it is smaller than the sum of its proper divisors (35152628452).

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

31022041340 is a wasteful number, since it uses less digits than its factorization.

31022041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92606 (or 92604 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31022041340 its reverse (4314022013), we get a palindrome (35336063353).

The spelling of 31022041340 in words is "thirty-one billion, twenty-two million, forty-one thousand, three hundred forty".