31030100030 has 8 divisors (see below), whose sum is σ = 55854180072. Its totient is φ = 12412040008.

The previous prime is 31030100011. The next prime is 31030100033. The reversal of 31030100030 is 3000103013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31030099984 and 31030100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030100033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551504992 + ... + 1551505011.

It is an arithmetic number, because the mean of its divisors is an integer number (6981772509).

Almost surely, 2^31030100030 is an apocalyptic number.

31030100030 is a deficient number, since it is larger than the sum of its proper divisors (24824080042).

31030100030 is a wasteful number, since it uses less digits than its factorization.

31030100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103010010.

The product of its (nonzero) digits is 27, while the sum is 11.

Adding to 31030100030 its reverse (3000103013), we get a palindrome (34030203043).

The spelling of 31030100030 in words is "thirty-one billion, thirty million, one hundred thousand, thirty".