31342430000 has 100 divisors (see below), whose sum is σ = 86723802000. Its totient is φ = 10745952000.

The previous prime is 31342429997. The next prime is 31342430029. The reversal of 31342430000 is 3424313.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 153875 + ... + 293874.

It is an arithmetic number, because the mean of its divisors is an integer number (867238020).

Almost surely, 2^31342430000 is an apocalyptic number.

It is an amenable number.

31342430000 is an abundant number, since it is smaller than the sum of its proper divisors (55381372000).

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

31342430000 is an equidigital number, since it uses as much as digits as its factorization.

31342430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447784 (or 447763 counting only the distinct ones).

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

Adding to 31342430000 its reverse (3424313), we get a palindrome (31345854313).

The spelling of 31342430000 in words is "thirty-one billion, three hundred forty-two million, four hundred thirty thousand".