1101201230031 has 32 divisors (see below), whose sum is σ = 1782876049920. Its totient is φ = 592242622848.

The previous prime is 1101201230011. The next prime is 1101201230123. The reversal of 1101201230031 is 1300321021011.

It is a happy number.

It is not a de Polignac number, because 1101201230031 - 2³¹ = 1099053746383 is a prime.

It is a super-2 number, since 2×1101201230031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101201230011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5233501 + ... + 5439846.

It is an arithmetic number, because the mean of its divisors is an integer number (55714876560).

Almost surely, 2^{1101201230031} is an apocalyptic number.

1101201230031 is a deficient number, since it is larger than the sum of its proper divisors (681674819889).

1101201230031 is an equidigital number, since it uses as much as digits as its factorization.

1101201230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673408 (or 10673374 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1101201230031 its reverse (1300321021011), we get a palindrome (2401522251042).

The spelling of 1101201230031 in words is "one trillion, one hundred one billion, two hundred one million, two hundred thirty thousand, thirty-one".