31421342012300 has 36 divisors (see below), whose sum is σ = 68185236579096. Its totient is φ = 12568366406400.

The previous prime is 31421342012293. The next prime is 31421342012311. The reversal of 31421342012300 is 321024312413.

It is a self number, because there is not a number n which added to its sum of digits gives 31421342012300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5415860 + ... + 9600740.

Almost surely, 2^{31421342012300} is an apocalyptic number.

It is an amenable number.

31421342012300 is an abundant number, since it is smaller than the sum of its proper divisors (36763894566796).

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

31421342012300 is a wasteful number, since it uses less digits than its factorization.

31421342012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259978 (or 4259971 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31421342012300 its reverse (321024312413), we get a palindrome (31742366324713).

The spelling of 31421342012300 in words is "thirty-one trillion, four hundred twenty-one billion, three hundred forty-two million, twelve thousand, three hundred".