19231101102 has 8 divisors (see below), whose sum is σ = 38462202216. Its totient is φ = 6410367032.

The previous prime is 19231101083. The next prime is 19231101103. The reversal of 19231101102 is 20110113291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

19231101102 is an admirable number.

It is a super-2 number, since 2×19231101102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19231101103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602591753 + ... + 1602591764.

It is an arithmetic number, because the mean of its divisors is an integer number (4807775277).

Almost surely, 2^19231101102 is an apocalyptic number.

19231101102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19231101102 is a wasteful number, since it uses less digits than its factorization.

19231101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205183522.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 19231101102 its reverse (20110113291), we get a palindrome (39341214393).

The spelling of 19231101102 in words is "nineteen billion, two hundred thirty-one million, one hundred one thousand, one hundred two".