1011003131 has 2 divisors, whose sum is σ = 1011003132. Its totient is φ = 1011003130.

The previous prime is 1011003101. The next prime is 1011003139. The reversal of 1011003131 is 1313001101.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1313001101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011003131 - 2¹⁴ = 1010986747 is a prime.

It is a super-2 number, since 2×1011003131² = 2044254661783606322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011003139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505501565 + 505501566.

It is an arithmetic number, because the mean of its divisors is an integer number (505501566).

Almost surely, 2^1011003131 is an apocalyptic number.

1011003131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011003131 is an equidigital number, since it uses as much as digits as its factorization.

1011003131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1011003131 is about 31796.2754265338. The cubic root of 1011003131 is about 1003.6543398665.

Adding to 1011003131 its reverse (1313001101), we get a palindrome (2324004232).

The spelling of 1011003131 in words is "one billion, eleven million, three thousand, one hundred thirty-one".