1102213431 has 24 divisors (see below), whose sum is σ = 1742027664. Its totient is φ = 666005760.

The previous prime is 1102213423. The next prime is 1102213457. The reversal of 1102213431 is 1343122011.

1102213431 is a `hidden beast` number, since 1 + 10 + 221 + 3 + 431 = 666.

It is not a de Polignac number, because 1102213431 - 2³ = 1102213423 is a prime.

It is a super-2 number, since 2×1102213431² = 2429748894953583522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102213031) 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, 16845 + ... + 49881.

It is an arithmetic number, because the mean of its divisors is an integer number (72584486).

Almost surely, 2^1102213431 is an apocalyptic number.

1102213431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102213431 is a deficient number, since it is larger than the sum of its proper divisors (639814233).

1102213431 is a wasteful number, since it uses less digits than its factorization.

1102213431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33391 (or 33388 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1102213431 is about 33199.5998620465. The cubic root of 1102213431 is about 1032.9720396884.

Adding to 1102213431 its reverse (1343122011), we get a palindrome (2445335442).

The spelling of 1102213431 in words is "one billion, one hundred two million, two hundred thirteen thousand, four hundred thirty-one".