101031407 has 2 divisors, whose sum is σ = 101031408. Its totient is φ = 101031406.

The previous prime is 101031397. The next prime is 101031419. The reversal of 101031407 is 704130101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101031407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101031107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515703 + 50515704.

It is an arithmetic number, because the mean of its divisors is an integer number (50515704).

Almost surely, 2^101031407 is an apocalyptic number.

101031407 is a deficient number, since it is larger than the sum of its proper divisors (1).

101031407 is an equidigital number, since it uses as much as digits as its factorization.

101031407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 101031407 is about 10051.4380563181. The cubic root of 101031407 is about 465.7492172951.

Adding to 101031407 its reverse (704130101), we get a palindrome (805161508).

The spelling of 101031407 in words is "one hundred one million, thirty-one thousand, four hundred seven".