103120031231 has 8 divisors (see below), whose sum is σ = 117884111904. Its totient is φ = 88364112480.

The previous prime is 103120031221. The next prime is 103120031243. The reversal of 103120031231 is 132130021301.

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

It is a de Polignac number, because none of the positive numbers 2^k-103120031231 is a prime.

It is a super-2 number, since 2×103120031231² (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 (103120031221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013380 + ... + 2063961.

It is an arithmetic number, because the mean of its divisors is an integer number (14735513988).

Almost surely, 2^103120031231 is an apocalyptic number.

103120031231 is a deficient number, since it is larger than the sum of its proper divisors (14764080673).

103120031231 is an equidigital number, since it uses as much as digits as its factorization.

103120031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080961.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103120031231 its reverse (132130021301), we get a palindrome (235250052532).

The spelling of 103120031231 in words is "one hundred three billion, one hundred twenty million, thirty-one thousand, two hundred thirty-one".