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31030222020229 = 238313021494763
BaseRepresentation
bin1110000111000110010010…
…10111000101111010000101
311001212110102112011212211201
413003203021113011322011
513031344343314121404
6145555030500302501
76351600554153335
oct703431127057205
9131773375155751
1031030222020229
119983930413073
123591a466a1a31
1314411a2a96ca3
14793c295130c5
1538c2798c2ca4
hex1c38c95c5e85

31030222020229 has 4 divisors (see below), whose sum is σ = 31043243517376. Its totient is φ = 31017200523084.

The previous prime is 31030222020221. The next prime is 31030222020253. The reversal of 31030222020229 is 92202022203013.

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 31030222020229 - 23 = 31030222020221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31030222020197 and 31030222020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030222020221) 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, 6510744999 + ... + 6510749764.

It is an arithmetic number, because the mean of its divisors is an integer number (7760810879344).

Almost surely, 231030222020229 is an apocalyptic number.

It is an amenable number.

31030222020229 is a deficient number, since it is larger than the sum of its proper divisors (13021497147).

31030222020229 is a wasteful number, since it uses less digits than its factorization.

31030222020229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13021497146.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 31030222020229 in words is "thirty-one trillion, thirty billion, two hundred twenty-two million, twenty thousand, two hundred twenty-nine".

Divisors: 1 2383 13021494763 31030222020229