1331101140 has 24 divisors (see below), whose sum is σ = 3727083360. Its totient is φ = 354960288.

The previous prime is 1331101117. The next prime is 1331101151. The reversal of 1331101140 is 411011331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11092450 + ... + 11092569.

It is an arithmetic number, because the mean of its divisors is an integer number (155295140).

Almost surely, 2^1331101140 is an apocalyptic number.

1331101140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331101140 is an abundant number, since it is smaller than the sum of its proper divisors (2395982220).

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

1331101140 is a wasteful number, since it uses less digits than its factorization.

1331101140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22185031 (or 22185029 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1331101140 is about 36484.2587974595. The cubic root of 1331101140 is about 1100.0278615533.

Adding to 1331101140 its reverse (411011331), we get a palindrome (1742112471).

The spelling of 1331101140 in words is "one billion, three hundred thirty-one million, one hundred one thousand, one hundred forty".