102032221431 has 8 divisors (see below), whose sum is σ = 155477670784. Its totient is φ = 58304126520.

The previous prime is 102032221393. The next prime is 102032221481. The reversal of 102032221431 is 134122230201.

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

It is not a de Polignac number, because 102032221431 - 2¹⁹ = 102031697143 is a prime.

It is a super-2 number, since 2×102032221431² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4858677211 = 102032221431 / (1 + 0 + 2 + 0 + 3 + 2 + 2 + 2 + 1 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102032221398 and 102032221407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102032221481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429338585 + ... + 2429338626.

It is an arithmetic number, because the mean of its divisors is an integer number (19434708848).

Almost surely, 2^102032221431 is an apocalyptic number.

102032221431 is a deficient number, since it is larger than the sum of its proper divisors (53445449353).

102032221431 is an equidigital number, since it uses as much as digits as its factorization.

102032221431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858677221.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102032221431 its reverse (134122230201), we get a palindrome (236154451632).

The spelling of 102032221431 in words is "one hundred two billion, thirty-two million, two hundred twenty-one thousand, four hundred thirty-one".