101231001033 has 16 divisors (see below), whose sum is σ = 140902316160. Its totient is φ = 64525976064.

The previous prime is 101231001029. The next prime is 101231001041. The reversal of 101231001033 is 330100132101.

It is not a de Polignac number, because 101231001033 - 2² = 101231001029 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101231001013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142216 + ... + 471897.

It is an arithmetic number, because the mean of its divisors is an integer number (8806394760).

Almost surely, 2^101231001033 is an apocalyptic number.

It is an amenable number.

101231001033 is a deficient number, since it is larger than the sum of its proper divisors (39671315127).

101231001033 is a wasteful number, since it uses less digits than its factorization.

101231001033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616528.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 101231001033 its reverse (330100132101), we get a palindrome (431331133134).

The spelling of 101231001033 in words is "one hundred one billion, two hundred thirty-one million, one thousand, thirty-three".