101200531 has 2 divisors, whose sum is σ = 101200532. Its totient is φ = 101200530.

The previous prime is 101200471. The next prime is 101200537. The reversal of 101200531 is 135002101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101200531 - 2²¹ = 99103379 is a prime.

It is a super-2 number, since 2×101200531² = 20483094949363922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101200537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600265 + 50600266.

It is an arithmetic number, because the mean of its divisors is an integer number (50600266).

Almost surely, 2^101200531 is an apocalyptic number.

101200531 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200531 is an equidigital number, since it uses as much as digits as its factorization.

101200531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 101200531 is about 10059.8474640523. The cubic root of 101200531 is about 466.0089565226.

Adding to 101200531 its reverse (135002101), we get a palindrome (236202632).

It can be divided in two parts, 1012005 and 31, that added together give a square (1012036 = 1006²).

The spelling of 101200531 in words is "one hundred one million, two hundred thousand, five hundred thirty-one".