30133102031 has 4 divisors (see below), whose sum is σ = 30947510232. Its totient is φ = 29318693832.

The previous prime is 30133102001. The next prime is 30133102049. The reversal of 30133102031 is 13020133103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30133102031 - 2⁶ = 30133101967 is a prime.

It is a super-2 number, since 2×30133102031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133102001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407204045 + ... + 407204118.

It is an arithmetic number, because the mean of its divisors is an integer number (7736877558).

Almost surely, 2^30133102031 is an apocalyptic number.

30133102031 is a deficient number, since it is larger than the sum of its proper divisors (814408201).

30133102031 is an equidigital number, since it uses as much as digits as its factorization.

30133102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814408200.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30133102031 its reverse (13020133103), we get a palindrome (43153235134).

The spelling of 30133102031 in words is "thirty billion, one hundred thirty-three million, one hundred two thousand, thirty-one".