30220102512131 has 4 divisors (see below), whose sum is σ = 34537260013872. Its totient is φ = 25902945010392.

The previous prime is 30220102512113. The next prime is 30220102512199. The reversal of 30220102512131 is 13121520102203.

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-30220102512131 is a prime.

It is a super-2 number, since 2×30220102512131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30220102512097 and 30220102512106.

It is not an unprimeable number, because it can be changed into a prime (30220102512631) 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, 2158578750860 + ... + 2158578750873.

It is an arithmetic number, because the mean of its divisors is an integer number (8634315003468).

Almost surely, 2^{30220102512131} is an apocalyptic number.

30220102512131 is a deficient number, since it is larger than the sum of its proper divisors (4317157501741).

30220102512131 is an equidigital number, since it uses as much as digits as its factorization.

30220102512131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317157501740.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 30220102512131 its reverse (13121520102203), we get a palindrome (43341622614334).

The spelling of 30220102512131 in words is "thirty trillion, two hundred twenty billion, one hundred two million, five hundred twelve thousand, one hundred thirty-one".