1011111000131 has 2 divisors, whose sum is σ = 1011111000132. Its totient is φ = 1011111000130.

The previous prime is 1011111000127. The next prime is 1011111000143. The reversal of 1011111000131 is 1310001111101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011111000131 - 2² = 1011111000127 is a prime.

It is a super-2 number, since 2×1011111000131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011111000191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555500065 + 505555500066.

It is an arithmetic number, because the mean of its divisors is an integer number (505555500066).

Almost surely, 2^{1011111000131} is an apocalyptic number.

1011111000131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011111000131 is an equidigital number, since it uses as much as digits as its factorization.

1011111000131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 1011111000131 its reverse (1310001111101), we get a palindrome (2321112111232).

The spelling of 1011111000131 in words is "one trillion, eleven billion, one hundred eleven million, one hundred thirty-one", and thus it is an aban number.