101031234630 has 64 divisors (see below), whose sum is σ = 247585351680. Its totient is φ = 26376045696.

The previous prime is 101031234599. The next prime is 101031234631. The reversal of 101031234630 is 36432130101.

It is a happy number.

It is a super-2 number, since 2×101031234630² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101031234630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031234631) 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 31 ways as a sum of consecutive naturals, for example, 667551 + ... + 804789.

It is an arithmetic number, because the mean of its divisors is an integer number (3868521120).

Almost surely, 2^101031234630 is an apocalyptic number.

101031234630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101031234630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123792675840).

101031234630 is an abundant number, since it is smaller than the sum of its proper divisors (146554117050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101031234630 is a wasteful number, since it uses less digits than its factorization.

101031234630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137765.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 101031234630 its reverse (36432130101), we get a palindrome (137463364731).

The spelling of 101031234630 in words is "one hundred one billion, thirty-one million, two hundred thirty-four thousand, six hundred thirty".