1131031010 has 8 divisors (see below), whose sum is σ = 2035855836. Its totient is φ = 452412400.

The previous prime is 1131031009. The next prime is 1131031019. The reversal of 1131031010 is 101301311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 989920369 + 141110641 = 31463^2 + 11879^2 .

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

It is a super-2 number, since 2×1131031010² = 2558462291163240200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131030982 and 1131031000.

It is not an unprimeable number, because it can be changed into a prime (1131031019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56551541 + ... + 56551560.

Almost surely, 2^1131031010 is an apocalyptic number.

1131031010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131031010 is a deficient number, since it is larger than the sum of its proper divisors (904824826).

1131031010 is a wasteful number, since it uses less digits than its factorization.

1131031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113103108.

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

The square root of 1131031010 is about 33630.8044804165. The cubic root of 1131031010 is about 1041.8971197284.

Adding to 1131031010 its reverse (101301311), we get a palindrome (1232332321).

The spelling of 1131031010 in words is "one billion, one hundred thirty-one million, thirty-one thousand, ten".