31322141020 has 24 divisors (see below), whose sum is σ = 65779941024. Its totient is φ = 12528200256.

The previous prime is 31322140999. The next prime is 31322141027. The reversal of 31322141020 is 2014122313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322141027) 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, 579177 + ... + 630943.

It is an arithmetic number, because the mean of its divisors is an integer number (2740830876).

Almost surely, 2^31322141020 is an apocalyptic number.

It is an amenable number.

31322141020 is an abundant number, since it is smaller than the sum of its proper divisors (34457800004).

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

31322141020 is a wasteful number, since it uses less digits than its factorization.

31322141020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82029 (or 82027 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31322141020 its reverse (2014122313), we get a palindrome (33336263333).

The spelling of 31322141020 in words is "thirty-one billion, three hundred twenty-two million, one hundred forty-one thousand, twenty".