31030100010 has 96 divisors (see below), whose sum is σ = 99296346240. Its totient is φ = 6547008384.

The previous prime is 31030099979. The next prime is 31030100011. The reversal of 31030100010 is 1000103013.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31030099965 and 31030100001.

It is not an unprimeable number, because it can be changed into a prime (31030100011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1886200 + ... + 1902579.

It is an arithmetic number, because the mean of its divisors is an integer number (1034336940).

Almost surely, 2^31030100010 is an apocalyptic number.

31030100010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31030100010 is an abundant number, since it is smaller than the sum of its proper divisors (68266246230).

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

31030100010 is a wasteful number, since it uses less digits than its factorization.

31030100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788812 (or 3788809 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

Adding to 31030100010 its reverse (1000103013), we get a palindrome (32030203023).

The spelling of 31030100010 in words is "thirty-one billion, thirty million, one hundred thousand, ten".