1102311331 has 24 divisors (see below), whose sum is σ = 1307238912. Its totient is φ = 925267200.

The previous prime is 1102311323. The next prime is 1102311367. The reversal of 1102311331 is 1331132011.

It is not a de Polignac number, because 1102311331 - 2³ = 1102311323 is a prime.

It is a super-2 number, since 2×1102311331² = 2430180540901983122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102311031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103966 + ... + 114076.

It is an arithmetic number, because the mean of its divisors is an integer number (54468288).

Almost surely, 2^1102311331 is an apocalyptic number.

1102311331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102311331 is a deficient number, since it is larger than the sum of its proper divisors (204927581).

1102311331 is a wasteful number, since it uses less digits than its factorization.

1102311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10203 (or 10192 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1102311331 is about 33201.0742446687. The cubic root of 1102311331 is about 1033.0026220802.

Adding to 1102311331 its reverse (1331132011), we get a palindrome (2433443342).

The spelling of 1102311331 in words is "one billion, one hundred two million, three hundred eleven thousand, three hundred thirty-one".