30012040004131 has 4 divisors (see below), whose sum is σ = 31591621057000. Its totient is φ = 28432458951264.

The previous prime is 30012040004123. The next prime is 30012040004171. The reversal of 30012040004131 is 13140004021003.

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 30012040004131 - 2³ = 30012040004123 is a prime.

It is a super-2 number, since 2×30012040004131² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1579581052849 = 30012040004131 / (3 + 0 + 0 + 1 + 2 + 0 + 4 + 0 + 0 + 0 + 4 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012040004099 and 30012040004108.

It is not an unprimeable number, because it can be changed into a prime (30012040004171) 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, 789790526406 + ... + 789790526443.

It is an arithmetic number, because the mean of its divisors is an integer number (7897905264250).

Almost surely, 2^{30012040004131} is an apocalyptic number.

30012040004131 is a deficient number, since it is larger than the sum of its proper divisors (1579581052869).

30012040004131 is a wasteful number, since it uses less digits than its factorization.

30012040004131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579581052868.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30012040004131 its reverse (13140004021003), we get a palindrome (43152044025134).

The spelling of 30012040004131 in words is "thirty trillion, twelve billion, forty million, four thousand, one hundred thirty-one".