31213413400330 has 64 divisors (see below), whose sum is σ = 64543782666240. Its totient is φ = 10646260156224.

The previous prime is 31213413400303. The next prime is 31213413400427. The reversal of 31213413400330 is 3300431431213.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19555389 + ... + 21091231.

It is an arithmetic number, because the mean of its divisors is an integer number (1008496604160).

Almost surely, 2^{31213413400330} is an apocalyptic number.

31213413400330 is an abundant number, since it is smaller than the sum of its proper divisors (33330369265910).

31213413400330 is a wasteful number, since it uses less digits than its factorization.

31213413400330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537363.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 31213413400330 its reverse (3300431431213), we get a palindrome (34513844831543).

The spelling of 31213413400330 in words is "thirty-one trillion, two hundred thirteen billion, four hundred thirteen million, four hundred thousand, three hundred thirty".