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3213211012031 = 13953723027663
BaseRepresentation
bin101110110000100010010…
…011010000101110111111
3102101011212012101220111102
4232300202103100232333
5410121124004341111
610500043451243315
7451101235646126
oct56604223205677
912334765356442
103213211012031
111029795936839
1243a8a9a4953b
131a4009b62457
14b173d790abd
15588b28ec13b
hex2ec224d0bbf

3213211012031 has 4 divisors (see below), whose sum is σ = 3213234179232. Its totient is φ = 3213187844832.

The previous prime is 3213211011947. The next prime is 3213211012049. The reversal of 3213211012031 is 1302101123123.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3213211012031 - 214 = 3213210995647 is a prime.

It is a super-2 number, since 2×32132110120312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3213211011994 and 3213211012012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213211012051) 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, 11374295 + ... + 11653368.

It is an arithmetic number, because the mean of its divisors is an integer number (803308544808).

Almost surely, 23213211012031 is an apocalyptic number.

3213211012031 is a deficient number, since it is larger than the sum of its proper divisors (23167201).

3213211012031 is a wasteful number, since it uses less digits than its factorization.

3213211012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23167200.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3213211012031 its reverse (1302101123123), we get a palindrome (4515312135154).

The spelling of 3213211012031 in words is "three trillion, two hundred thirteen billion, two hundred eleven million, twelve thousand, thirty-one".

Divisors: 1 139537 23027663 3213211012031