30442311131 has 2 divisors, whose sum is σ = 30442311132. Its totient is φ = 30442311130.

The previous prime is 30442311101. The next prime is 30442311161. The reversal of 30442311131 is 13111324403.

It is a balanced prime because it is at equal distance from previous prime (30442311101) and next prime (30442311161).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30442311131 is a prime.

It is a super-2 number, since 2×30442311131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30442311097 and 30442311106.

It is not a weakly prime, because it can be changed into another prime (30442311101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15221155565 + 15221155566.

It is an arithmetic number, because the mean of its divisors is an integer number (15221155566).

Almost surely, 2^30442311131 is an apocalyptic number.

30442311131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30442311131 is an equidigital number, since it uses as much as digits as its factorization.

30442311131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30442311131 its reverse (13111324403), we get a palindrome (43553635534).

The spelling of 30442311131 in words is "thirty billion, four hundred forty-two million, three hundred eleven thousand, one hundred thirty-one".