31140142303322 has 128 divisors (see below), whose sum is σ = 55262510972928. Its totient is φ = 13023574502400.

The previous prime is 31140142303267. The next prime is 31140142303357. The reversal of 31140142303322 is 22330324104113.

It is a super-2 number, since 2×31140142303322² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2758933163 + ... + 2758944449.

It is an arithmetic number, because the mean of its divisors is an integer number (431738366976).

Almost surely, 2^{31140142303322} is an apocalyptic number.

31140142303322 is a deficient number, since it is larger than the sum of its proper divisors (24122368669606).

31140142303322 is a wasteful number, since it uses less digits than its factorization.

31140142303322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12364.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31140142303322 its reverse (22330324104113), we get a palindrome (53470466407435).

The spelling of 31140142303322 in words is "thirty-one trillion, one hundred forty billion, one hundred forty-two million, three hundred three thousand, three hundred twenty-two".