103221132031 has 4 divisors (see below), whose sum is σ = 104674950864. Its totient is φ = 101767313200.

The previous prime is 103221132011. The next prime is 103221132041. The reversal of 103221132031 is 130231122301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103221132031 is a prime.

It is a super-2 number, since 2×103221132031² (a number of 23 digits) 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 (103221132011) 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, 726909310 + ... + 726909451.

It is an arithmetic number, because the mean of its divisors is an integer number (26168737716).

Almost surely, 2^103221132031 is an apocalyptic number.

103221132031 is a deficient number, since it is larger than the sum of its proper divisors (1453818833).

103221132031 is an equidigital number, since it uses as much as digits as its factorization.

103221132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453818832.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103221132031 its reverse (130231122301), we get a palindrome (233452254332).

The spelling of 103221132031 in words is "one hundred three billion, two hundred twenty-one million, one hundred thirty-two thousand, thirty-one".