31314202221140 has 24 divisors (see below), whose sum is σ = 65780615130720. Its totient is φ = 12521720799648.

The previous prime is 31314202221109. The next prime is 31314202221209. The reversal of 31314202221140 is 4112220241313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247440710 + ... + 247567229.

It is an arithmetic number, because the mean of its divisors is an integer number (2740858963780).

Almost surely, 2^{31314202221140} is an apocalyptic number.

It is an amenable number.

31314202221140 is an abundant number, since it is smaller than the sum of its proper divisors (34466412909580).

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

31314202221140 is a wasteful number, since it uses less digits than its factorization.

31314202221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495011111 (or 495011109 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 31314202221140 its reverse (4112220241313), we get a palindrome (35426422462453).

The spelling of 31314202221140 in words is "thirty-one trillion, three hundred fourteen billion, two hundred two million, two hundred twenty-one thousand, one hundred forty".