101311030 has 16 divisors (see below), whose sum is σ = 182476224. Its totient is φ = 40498560.

The previous prime is 101311003. The next prime is 101311033. The reversal of 101311030 is 30113101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101310998 and 101311016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101311033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24814 + ... + 28606.

It is an arithmetic number, because the mean of its divisors is an integer number (11404764).

Almost surely, 2^101311030 is an apocalyptic number.

101311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101311030 is a deficient number, since it is larger than the sum of its proper divisors (81165194).

101311030 is a wasteful number, since it uses less digits than its factorization.

101311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 101311030 is about 10065.3380469808. The cubic root of 101311030 is about 466.1785037009.

Adding to 101311030 its reverse (30113101), we get a palindrome (131424131).

The spelling of 101311030 in words is "one hundred one million, three hundred eleven thousand, thirty".