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10331303131021 = 16636212449267
BaseRepresentation
bin1001011001010111000110…
…1001110011011110001101
31100120122220021112002122111
42112111301221303132031
52323232002100143041
633550045104544021
72114261215446415
oct226256151633615
940518807462574
1010331303131021
11332353230aa34
1211aa338622011
1359c312312362
1427a0757b3645
1512db1a838981
hex96571a7378d

10331303131021 has 4 divisors (see below), whose sum is σ = 10337515581952. Its totient is φ = 10325090680092.

The previous prime is 10331303131001. The next prime is 10331303131027. The reversal of 10331303131021 is 12013130313301.

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 10331303131021 - 29 = 10331303130509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10331303130983 and 10331303131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331303131027) 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, 3106222971 + ... + 3106226296.

It is an arithmetic number, because the mean of its divisors is an integer number (2584378895488).

Almost surely, 210331303131021 is an apocalyptic number.

It is an amenable number.

10331303131021 is a deficient number, since it is larger than the sum of its proper divisors (6212450931).

10331303131021 is an equidigital number, since it uses as much as digits as its factorization.

10331303131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212450930.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 10331303131021 its reverse (12013130313301), we get a palindrome (22344433444322).

The spelling of 10331303131021 in words is "ten trillion, three hundred thirty-one billion, three hundred three million, one hundred thirty-one thousand, twenty-one".

Divisors: 1 1663 6212449267 10331303131021