1011143131 has 2 divisors, whose sum is σ = 1011143132. Its totient is φ = 1011143130.

The previous prime is 1011143117. The next prime is 1011143143. The reversal of 1011143131 is 1313411101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011143131 - 2²¹ = 1009045979 is a prime.

It is a super-2 number, since 2×1011143131² = 2044820862736966322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011143531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505571565 + 505571566.

It is an arithmetic number, because the mean of its divisors is an integer number (505571566).

Almost surely, 2^1011143131 is an apocalyptic number.

1011143131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011143131 is an equidigital number, since it uses as much as digits as its factorization.

1011143131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1011143131 is about 31798.4768660387. The cubic root of 1011143131 is about 1003.7006651838.

Adding to 1011143131 its reverse (1313411101), we get a palindrome (2324554232).

The spelling of 1011143131 in words is "one billion, eleven million, one hundred forty-three thousand, one hundred thirty-one".