30223031129 has 4 divisors (see below), whose sum is σ = 30329826576. Its totient is φ = 30116235684.

The previous prime is 30223031119. The next prime is 30223031191. The reversal of 30223031129 is 92113032203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30223031129 is a prime.

It is a super-2 number, since 2×30223031129² (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 = 30223031098 and 30223031107.

It is not an unprimeable number, because it can be changed into a prime (30223031119) 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, 53397299 + ... + 53397864.

It is an arithmetic number, because the mean of its divisors is an integer number (7582456644).

Almost surely, 2^30223031129 is an apocalyptic number.

It is an amenable number.

30223031129 is a deficient number, since it is larger than the sum of its proper divisors (106795447).

30223031129 is a wasteful number, since it uses less digits than its factorization.

30223031129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106795446.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 30223031129 in words is "thirty billion, two hundred twenty-three million, thirty-one thousand, one hundred twenty-nine".