31004234300 has 72 divisors (see below), whose sum is σ = 72822901536. Its totient is φ = 11389512960.

The previous prime is 31004234299. The next prime is 31004234311. The reversal of 31004234300 is 343240013.

It is a super-2 number, since 2×31004234300² (a number of 22 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 195569 + ... + 316631.

It is an arithmetic number, because the mean of its divisors is an integer number (1011429188).

Almost surely, 2^31004234300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31004234300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36411450768).

31004234300 is an abundant number, since it is smaller than the sum of its proper divisors (41818667236).

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

31004234300 is a wasteful number, since it uses less digits than its factorization.

31004234300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121287 (or 121280 counting only the distinct ones).

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

Adding to 31004234300 its reverse (343240013), we get a palindrome (31347474313).

The spelling of 31004234300 in words is "thirty-one billion, four million, two hundred thirty-four thousand, three hundred".