30230031102131 has 4 divisors (see below), whose sum is σ = 34548606973872. Its totient is φ = 25911455230392.

The previous prime is 30230031102107. The next prime is 30230031102133. The reversal of 30230031102131 is 13120113003203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30230031102131 is a prime.

It is a super-2 number, since 2×30230031102131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30230031102133) 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, 2159287935860 + ... + 2159287935873.

It is an arithmetic number, because the mean of its divisors is an integer number (8637151743468).

Almost surely, 2^{30230031102131} is an apocalyptic number.

30230031102131 is a deficient number, since it is larger than the sum of its proper divisors (4318575871741).

30230031102131 is an equidigital number, since it uses as much as digits as its factorization.

30230031102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318575871740.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30230031102131 its reverse (13120113003203), we get a palindrome (43350144105334).

The spelling of 30230031102131 in words is "thirty trillion, two hundred thirty billion, thirty-one million, one hundred two thousand, one hundred thirty-one".