31340430200 has 48 divisors (see below), whose sum is σ = 76034620080. Its totient is φ = 11991119360.

The previous prime is 31340430193. The next prime is 31340430229. The reversal of 31340430200 is 203404313.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3401969 + ... + 3411168.

It is an arithmetic number, because the mean of its divisors is an integer number (1584054585).

Almost surely, 2^31340430200 is an apocalyptic number.

It is an amenable number.

31340430200 is an abundant number, since it is smaller than the sum of its proper divisors (44694189880).

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

31340430200 is a wasteful number, since it uses less digits than its factorization.

31340430200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813176 (or 6813167 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31340430200 its reverse (203404313), we get a palindrome (31543834513).

The spelling of 31340430200 in words is "thirty-one billion, three hundred forty million, four hundred thirty thousand, two hundred".