1042313131 has 2 divisors, whose sum is σ = 1042313132. Its totient is φ = 1042313130.

The previous prime is 1042313119. The next prime is 1042313137. The reversal of 1042313131 is 1313132401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042313131 is a prime.

It is a super-2 number, since 2×1042313131² = 2172833326110046322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042313099 and 1042313108.

It is not a weakly prime, because it can be changed into another prime (1042313137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521156565 + 521156566.

It is an arithmetic number, because the mean of its divisors is an integer number (521156566).

Almost surely, 2^1042313131 is an apocalyptic number.

1042313131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042313131 is an equidigital number, since it uses as much as digits as its factorization.

1042313131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1042313131 is about 32284.8746474258. The cubic root of 1042313131 is about 1013.9099919847.

Adding to 1042313131 its reverse (1313132401), we get a palindrome (2355445532).

The spelling of 1042313131 in words is "one billion, forty-two million, three hundred thirteen thousand, one hundred thirty-one".