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101031021313 = 411312456323
BaseRepresentation
bin101111000010111101…
…0110000101100000001
3100122210000200122121021
41132011322300230001
53123402420140223
6114225113225441
710204433340355
oct1360572605401
9318700618537
10101031021313
1139935417732
12176b7102281
1396b12bb721
144c65d65465
1529649e765d
hex1785eb0b01

101031021313 has 4 divisors (see below), whose sum is σ = 101033518768. Its totient is φ = 101028523860.

The previous prime is 101031021263. The next prime is 101031021341. The reversal of 101031021313 is 313120130101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101031021313 - 225 = 100997466881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101031091313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187031 + ... + 1269292.

It is an arithmetic number, because the mean of its divisors is an integer number (25258379692).

Almost surely, 2101031021313 is an apocalyptic number.

It is an amenable number.

101031021313 is a deficient number, since it is larger than the sum of its proper divisors (2497455).

101031021313 is an equidigital number, since it uses as much as digits as its factorization.

101031021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497454.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 101031021313 its reverse (313120130101), we get a palindrome (414151151414).

The spelling of 101031021313 in words is "one hundred one billion, thirty-one million, twenty-one thousand, three hundred thirteen".

Divisors: 1 41131 2456323 101031021313