30202101131231 has 2 divisors, whose sum is σ = 30202101131232. Its totient is φ = 30202101131230.

The previous prime is 30202101131201. The next prime is 30202101131249. The reversal of 30202101131231 is 13213110120203.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30202101131231 - 2³⁴ = 30184921262047 is a prime.

It is a super-2 number, since 2×30202101131231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30202101131201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101050565615 + 15101050565616.

It is an arithmetic number, because the mean of its divisors is an integer number (15101050565616).

Almost surely, 2^{30202101131231} is an apocalyptic number.

30202101131231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202101131231 is an equidigital number, since it uses as much as digits as its factorization.

30202101131231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30202101131231 its reverse (13213110120203), we get a palindrome (43415211251434).

The spelling of 30202101131231 in words is "thirty trillion, two hundred two billion, one hundred one million, one hundred thirty-one thousand, two hundred thirty-one".