30001323112131 has 16 divisors (see below), whose sum is σ = 45719050947584. Its totient is φ = 17142582308544.

The previous prime is 30001323112127. The next prime is 30001323112147. The reversal of 30001323112131 is 13121132310003.

It is a happy number.

It is not a de Polignac number, because 30001323112131 - 2² = 30001323112127 is a prime.

It is a super-2 number, since 2×30001323112131² (a number of 28 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 30001323112098 and 30001323112107.

It is not an unprimeable number, because it can be changed into a prime (30001323112121) 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, 42596491 + ... + 43295076.

It is an arithmetic number, because the mean of its divisors is an integer number (2857440684224).

Almost surely, 2^{30001323112131} is an apocalyptic number.

30001323112131 is a deficient number, since it is larger than the sum of its proper divisors (15717727835453).

30001323112131 is a wasteful number, since it uses less digits than its factorization.

30001323112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85908210.

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

Adding to 30001323112131 its reverse (13121132310003), we get a palindrome (43122455422134).

The spelling of 30001323112131 in words is "thirty trillion, one billion, three hundred twenty-three million, one hundred twelve thousand, one hundred thirty-one".