30747371131 has 2 divisors, whose sum is σ = 30747371132. Its totient is φ = 30747371130.

The previous prime is 30747371099. The next prime is 30747371141. The reversal of 30747371131 is 13117374703.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30747371131 - 2⁵ = 30747371099 is a prime.

It is a super-2 number, since 2×30747371131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30747371141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15373685565 + 15373685566.

It is an arithmetic number, because the mean of its divisors is an integer number (15373685566).

Almost surely, 2^30747371131 is an apocalyptic number.

30747371131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30747371131 is an equidigital number, since it uses as much as digits as its factorization.

30747371131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 37.

The spelling of 30747371131 in words is "thirty billion, seven hundred forty-seven million, three hundred seventy-one thousand, one hundred thirty-one".