30003131132121 has 16 divisors (see below), whose sum is σ = 45791511907328. Its totient is φ = 17117475757200.

The previous prime is 30003131132101. The next prime is 30003131132137. The reversal of 30003131132121 is 12123113130003.

It is a happy number.

It is not a de Polignac number, because 30003131132121 - 2⁷ = 30003131131993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30003131132101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132094935 + ... + 1132121436.

It is an arithmetic number, because the mean of its divisors is an integer number (2861969494208).

Almost surely, 2^{30003131132121} is an apocalyptic number.

It is an amenable number.

30003131132121 is a deficient number, since it is larger than the sum of its proper divisors (15788380775207).

30003131132121 is a wasteful number, since it uses less digits than its factorization.

30003131132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264217012.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 30003131132121 its reverse (12123113130003), we get a palindrome (42126244262124).

The spelling of 30003131132121 in words is "thirty trillion, three billion, one hundred thirty-one million, one hundred thirty-two thousand, one hundred twenty-one".