1532111131 has 2 divisors, whose sum is σ = 1532111132. Its totient is φ = 1532111130.

The previous prime is 1532111101. The next prime is 1532111159. The reversal of 1532111131 is 1311112351.

It is a strong prime.

It is an emirp because it is prime and its reverse (1311112351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1532111131 - 2²⁹ = 995240219 is a prime.

It is a super-2 number, since 2×1532111131² = 4694729035468198322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1532111099 and 1532111108.

It is not a weakly prime, because it can be changed into another prime (1532111101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766055565 + 766055566.

It is an arithmetic number, because the mean of its divisors is an integer number (766055566).

Almost surely, 2^1532111131 is an apocalyptic number.

1532111131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532111131 is an equidigital number, since it uses as much as digits as its factorization.

1532111131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 19.

The square root of 1532111131 is about 39142.1911880263. The cubic root of 1532111131 is about 1152.8250972653.

Adding to 1532111131 its reverse (1311112351), we get a palindrome (2843223482).

The spelling of 1532111131 in words is "one billion, five hundred thirty-two million, one hundred eleven thousand, one hundred thirty-one".