30203020311131 has 2 divisors, whose sum is σ = 30203020311132. Its totient is φ = 30203020311130.

The previous prime is 30203020311097. The next prime is 30203020311143. The reversal of 30203020311131 is 13111302030203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30203020311131 - 2²² = 30203016116827 is a prime.

It is a super-2 number, since 2×30203020311131² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30203020331131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101510155565 + 15101510155566.

It is an arithmetic number, because the mean of its divisors is an integer number (15101510155566).

Almost surely, 2^{30203020311131} is an apocalyptic number.

30203020311131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30203020311131 is an equidigital number, since it uses as much as digits as its factorization.

30203020311131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 30203020311131 its reverse (13111302030203), we get a palindrome (43314322341334).

The spelling of 30203020311131 in words is "thirty trillion, two hundred three billion, twenty million, three hundred eleven thousand, one hundred thirty-one".