101317031 has 4 divisors (see below), whose sum is σ = 101444952. Its totient is φ = 101189112.

The previous prime is 101317019. The next prime is 101317049. The reversal of 101317031 is 130713101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130713101 = 503 ⋅259867.

It is a cyclic number.

It is not a de Polignac number, because 101317031 - 2¹⁸ = 101054887 is a prime.

It is a super-2 number, since 2×101317031² = 20530281541309922, which 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 (101317081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62765 + ... + 64358.

It is an arithmetic number, because the mean of its divisors is an integer number (25361238).

Almost surely, 2^101317031 is an apocalyptic number.

101317031 is a deficient number, since it is larger than the sum of its proper divisors (127921).

101317031 is an equidigital number, since it uses as much as digits as its factorization.

101317031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127920.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 101317031 is about 10065.6361448246. The cubic root of 101317031 is about 466.1877079701.

The spelling of 101317031 in words is "one hundred one million, three hundred seventeen thousand, thirty-one".