31400220114340 has 72 divisors (see below), whose sum is σ = 83679547658112. Its totient is φ = 9787081590720.

The previous prime is 31400220114313. The next prime is 31400220114353. The reversal of 31400220114340 is 4341102200413.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1456400172 + ... + 1456421731.

It is an arithmetic number, because the mean of its divisors is an integer number (1162215939696).

Almost surely, 2^{31400220114340} is an apocalyptic number.

It is an amenable number.

31400220114340 is an abundant number, since it is smaller than the sum of its proper divisors (52279327543772).

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

31400220114340 is a wasteful number, since it uses less digits than its factorization.

31400220114340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912821937 (or 2912821928 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31400220114340 its reverse (4341102200413), we get a palindrome (35741322314753).

The spelling of 31400220114340 in words is "thirty-one trillion, four hundred billion, two hundred twenty million, one hundred fourteen thousand, three hundred forty".