1231102030231 has 8 divisors (see below), whose sum is σ = 1237039184304. Its totient is φ = 1225177390080.

The previous prime is 1231102030181. The next prime is 1231102030241. The reversal of 1231102030231 is 1320302011321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231102030231 - 2²³ = 1231093641623 is a prime.

It is a super-3 number, since 3×1231102030231³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231102030199 and 1231102030208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231102030241) 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, 2931220 + ... + 3324793.

It is an arithmetic number, because the mean of its divisors is an integer number (154629898038).

Almost surely, 2^{1231102030231} is an apocalyptic number.

1231102030231 is a deficient number, since it is larger than the sum of its proper divisors (5937154073).

1231102030231 is an equidigital number, since it uses as much as digits as its factorization.

1231102030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256961.

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

Adding to 1231102030231 its reverse (1320302011321), we get a palindrome (2551404041552).

The spelling of 1231102030231 in words is "one trillion, two hundred thirty-one billion, one hundred two million, thirty thousand, two hundred thirty-one".