30103200031 has 32 divisors (see below), whose sum is σ = 33346656000. Its totient is φ = 27073854720.

The previous prime is 30103199983. The next prime is 30103200053. The reversal of 30103200031 is 13000230103.

It is not a de Polignac number, because 30103200031 - 2¹¹ = 30103197983 is a prime.

It is a super-2 number, since 2×30103200031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30103199984 and 30103200020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103200431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4328545 + ... + 4335493.

It is an arithmetic number, because the mean of its divisors is an integer number (1042083000).

Almost surely, 2^30103200031 is an apocalyptic number.

30103200031 is a deficient number, since it is larger than the sum of its proper divisors (3243455969).

30103200031 is a wasteful number, since it uses less digits than its factorization.

30103200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30103200031 its reverse (13000230103), we get a palindrome (43103430134).

The spelling of 30103200031 in words is "thirty billion, one hundred three million, two hundred thousand, thirty-one".