101201031 has 12 divisors (see below), whose sum is σ = 150130552. Its totient is φ = 65643696.

The previous prime is 101201003. The next prime is 101201041. The reversal of 101201031 is 130102101.

It is not a de Polignac number, because 101201031 - 2¹⁰ = 101200007 is a prime.

It is a super-2 number, since 2×101201031² = 20483297350925922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151621 + ... + 152286.

Almost surely, 2^101201031 is an apocalyptic number.

101201031 is a deficient number, since it is larger than the sum of its proper divisors (48929521).

101201031 is a wasteful number, since it uses less digits than its factorization.

101201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303950 (or 303947 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 101201031 is about 10059.8723152931. The cubic root of 101201031 is about 466.0097239892.

Adding to 101201031 its reverse (130102101), we get a palindrome (231303132).

The spelling of 101201031 in words is "one hundred one million, two hundred one thousand, thirty-one".