31030332213000 has 64 divisors (see below), whose sum is σ = 96814636513920. Its totient is φ = 8274755256000.

The previous prime is 31030332212977. The next prime is 31030332213007. The reversal of 31030332213000 is 31223303013.

It is not an unprimeable number, because it can be changed into a prime (31030332213007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5171719036 + ... + 5171725035.

It is an arithmetic number, because the mean of its divisors is an integer number (1512728695530).

Almost surely, 2^{31030332213000} is an apocalyptic number.

31030332213000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31030332213000 is an abundant number, since it is smaller than the sum of its proper divisors (65784304300920).

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

31030332213000 is a wasteful number, since it uses less digits than its factorization.

31030332213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343444095 (or 10343444081 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31030332213000 its reverse (31223303013), we get a palindrome (31061555516013).

The spelling of 31030332213000 in words is "thirty-one trillion, thirty billion, three hundred thirty-two million, two hundred thirteen thousand".