31010230000 has 200 divisors, whose sum is σ = 78095001600. Its totient is φ = 11912160000.

The previous prime is 31010229967. The next prime is 31010230051. The reversal of 31010230000 is 3201013.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51769701 + ... + 51770299.

It is an arithmetic number, because the mean of its divisors is an integer number (390475008).

Almost surely, 2^31010230000 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 31010230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39047500800).

31010230000 is an abundant number, since it is smaller than the sum of its proper divisors (47084771600).

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

31010230000 is a wasteful number, since it uses less digits than its factorization.

31010230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 31010230000 its reverse (3201013), we get a palindrome (31013431013).

The spelling of 31010230000 in words is "thirty-one billion, ten million, two hundred thirty thousand".