31400343201012 has 48 divisors (see below), whose sum is σ = 74155266823680. Its totient is φ = 10339969795168.

The previous prime is 31400343201011. The next prime is 31400343201083. The reversal of 31400343201012 is 21010234300413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400343201011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13631923 + ... + 15768005.

It is an arithmetic number, because the mean of its divisors is an integer number (1544901392160).

Almost surely, 2^{31400343201012} is an apocalyptic number.

It is an amenable number.

31400343201012 is an abundant number, since it is smaller than the sum of its proper divisors (42754923622668).

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

31400343201012 is a wasteful number, since it uses less digits than its factorization.

31400343201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150932 (or 2150930 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31400343201012 its reverse (21010234300413), we get a palindrome (52410577501425).

The spelling of 31400343201012 in words is "thirty-one trillion, four hundred billion, three hundred forty-three million, two hundred one thousand, twelve".