1011131000 has 64 divisors (see below), whose sum is σ = 2581169760. Its totient is φ = 367680000.

The previous prime is 1011130997. The next prime is 1011131029. The reversal of 1011131000 is 1311101.

It is a super-2 number, since 2×1011131000² = 2044771798322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34961 + ... + 56960.

Almost surely, 2^1011131000 is an apocalyptic number.

1011131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011131000 is an abundant number, since it is smaller than the sum of its proper divisors (1570038760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011131000 is a wasteful number, since it uses less digits than its factorization.

1011131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91953 (or 91939 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 1011131000 is about 31798.2861173366. The cubic root of 1011131000 is about 1003.6966512642.

Adding to 1011131000 its reverse (1311101), we get a palindrome (1012442101).

The spelling of 1011131000 in words is "one billion, eleven million, one hundred thirty-one thousand".