101000020031 has 8 divisors (see below), whose sum is σ = 101916685824. Its totient is φ = 100083755520.

The previous prime is 101000020021. The next prime is 101000020039. The reversal of 101000020031 is 130020000101.

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 101000020031 - 2²² = 100995825727 is a prime.

It is a super-2 number, since 2×101000020031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000020039) 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, 417410 + ... + 613376.

It is an arithmetic number, because the mean of its divisors is an integer number (12739585728).

Almost surely, 2^101000020031 is an apocalyptic number.

101000020031 is a deficient number, since it is larger than the sum of its proper divisors (916665793).

101000020031 is a wasteful number, since it uses less digits than its factorization.

101000020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200641.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 101000020031 its reverse (130020000101), we get a palindrome (231020020132).

The spelling of 101000020031 in words is "one hundred one billion, twenty thousand, thirty-one".