1101231232031 has 8 divisors (see below), whose sum is σ = 1262284551840. Its totient is φ = 941111555328.

The previous prime is 1101231231983. The next prime is 1101231232067. The reversal of 1101231232031 is 1302321321011.

It is a happy number.

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

It is not a de Polignac number, because 1101231232031 - 2⁶ = 1101231231967 is a prime.

It is a super-2 number, since 2×1101231232031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101231231994 and 1101231232012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101231232081) 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, 233408246 + ... + 233412963.

It is an arithmetic number, because the mean of its divisors is an integer number (157785568980).

Almost surely, 2^{1101231232031} is an apocalyptic number.

1101231232031 is a deficient number, since it is larger than the sum of its proper divisors (161053319809).

1101231232031 is an equidigital number, since it uses as much as digits as its factorization.

1101231232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466821553.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1101231232031 its reverse (1302321321011), we get a palindrome (2403552553042).

The spelling of 1101231232031 in words is "one trillion, one hundred one billion, two hundred thirty-one million, two hundred thirty-two thousand, thirty-one".