1102201331 has 32 divisors (see below), whose sum is σ = 1437696000. Its totient is φ = 819355680.

The previous prime is 1102201313. The next prime is 1102201337. The reversal of 1102201331 is 1331022011.

It is a de Polignac number, because none of the positive numbers 2^k-1102201331 is a prime.

It is a super-2 number, since 2×1102201331² = 2429695548116343122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102201337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060310 + ... + 1061348.

It is an arithmetic number, because the mean of its divisors is an integer number (44928000).

Almost surely, 2^1102201331 is an apocalyptic number.

1102201331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102201331 is a deficient number, since it is larger than the sum of its proper divisors (335494669).

1102201331 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (1102201330) it forms an eRAP, since the sums of their prime factors are consecutive (1678 and 1679).

1102201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1102201331 is about 33199.4176304344. The cubic root of 1102201331 is about 1032.9682597165.

Adding to 1102201331 its reverse (1331022011), we get a palindrome (2433223342).

The spelling of 1102201331 in words is "one billion, one hundred two million, two hundred one thousand, three hundred thirty-one".