31422014140 has 24 divisors (see below), whose sum is σ = 71984978352. Its totient is φ = 11426186880.

The previous prime is 31422014119. The next prime is 31422014177. The reversal of 31422014140 is 4141022413.

It is a happy number.

It is a super-2 number, since 2×31422014140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 71413449 + ... + 71413888.

It is an arithmetic number, because the mean of its divisors is an integer number (2999374098).

Almost surely, 2^31422014140 is an apocalyptic number.

It is an amenable number.

31422014140 is an abundant number, since it is smaller than the sum of its proper divisors (40562964212).

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

31422014140 is a wasteful number, since it uses less digits than its factorization.

31422014140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142827357 (or 142827355 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31422014140 its reverse (4141022413), we get a palindrome (35563036553).

The spelling of 31422014140 in words is "thirty-one billion, four hundred twenty-two million, fourteen thousand, one hundred forty".