101050031 has 4 divisors (see below), whose sum is σ = 102434352. Its totient is φ = 99665712.

The previous prime is 101049983. The next prime is 101050039. The reversal of 101050031 is 130050101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101050031 is a prime.

It is a super-2 number, since 2×101050031² = 20422217530201922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101049994 and 101050021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101050039) 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, 692051 + ... + 692196.

It is an arithmetic number, because the mean of its divisors is an integer number (25608588).

Almost surely, 2^101050031 is an apocalyptic number.

101050031 is a deficient number, since it is larger than the sum of its proper divisors (1384321).

101050031 is an equidigital number, since it uses as much as digits as its factorization.

101050031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384320.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 101050031 is about 10052.3644482281. The cubic root of 101050031 is about 465.7778340746. Note that the first 3 decimals are identical.

The spelling of 101050031 in words is "one hundred one million, fifty thousand, thirty-one".