1011330131 has 8 divisors (see below), whose sum is σ = 1162264320. Its totient is φ = 862010568.

The previous prime is 1011330127. The next prime is 1011330167. The reversal of 1011330131 is 1310331101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011330131 - 2² = 1011330127 is a prime.

It is a super-2 number, since 2×1011330131² = 2045577267736954322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011330121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402311 + ... + 404816.

It is an arithmetic number, because the mean of its divisors is an integer number (145283040).

Almost surely, 2^1011330131 is an apocalyptic number.

1011330131 is a deficient number, since it is larger than the sum of its proper divisors (150934189).

1011330131 is an equidigital number, since it uses as much as digits as its factorization.

1011330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807313.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1011330131 is about 31801.4171225120. The cubic root of 1011330131 is about 1003.7625359019.

Adding to 1011330131 its reverse (1310331101), we get a palindrome (2321661232).

The spelling of 1011330131 in words is "one billion, eleven million, three hundred thirty thousand, one hundred thirty-one".