320011213400 has 48 divisors (see below), whose sum is σ = 748326880800. Its totient is φ = 127264561280.

The previous prime is 320011213397. The next prime is 320011213411. The reversal of 320011213400 is 4312110023.

It is a congruent number.

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, 4589840 + ... + 4659039.

It is an arithmetic number, because the mean of its divisors is an integer number (15590143350).

Almost surely, 2^320011213400 is an apocalyptic number.

It is an amenable number.

320011213400 is an abundant number, since it is smaller than the sum of its proper divisors (428315667400).

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

320011213400 is a wasteful number, since it uses less digits than its factorization.

320011213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249068 (or 9249059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320011213400 its reverse (4312110023), we get a palindrome (324323323423).

The spelling of 320011213400 in words is "three hundred twenty billion, eleven million, two hundred thirteen thousand, four hundred".