1013133100 has 36 divisors (see below), whose sum is σ = 2512571824. Its totient is φ = 347359680.

The previous prime is 1013133061. The next prime is 1013133101. The reversal of 1013133100 is 13313101.

It is a happy number.

It is a super-2 number, since 2×1013133100² = 2052877356631220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013133101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722967 + ... + 724366.

Almost surely, 2^1013133100 is an apocalyptic number.

1013133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013133100 is an abundant number, since it is smaller than the sum of its proper divisors (1499438724).

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

1013133100 is a wasteful number, since it uses less digits than its factorization.

1013133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447354 (or 1447347 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1013133100 is about 31829.7518055042. The cubic root of 1013133100 is about 1004.3586743558.

Adding to 1013133100 its reverse (13313101), we get a palindrome (1026446201).

The spelling of 1013133100 in words is "one billion, thirteen million, one hundred thirty-three thousand, one hundred".