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20200331211031 = 346313417434761
BaseRepresentation
bin1001001011111010000011…
…00100001111000100010111
32122112010120210222110021101
410211331001210033010113
510121430234242223111
6110543523135130531
74153266016146466
oct445750144170427
978463523873241
1020200331211031
116488a0438aa64
122322b62073a47
13b36b6310ac6a
144db9b63189dd
152506cc431bc1
hex125f4190f117

20200331211031 has 8 divisors (see below), whose sum is σ = 20207716891424. Its totient is φ = 20192946433920.

The previous prime is 20200331210977. The next prime is 20200331211097. The reversal of 20200331211031 is 13011213300202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20200331211031 - 29 = 20200331210519 is a prime.

It is a super-2 number, since 2×202003312110312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200331211631) 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, 46245691 + ... + 46680451.

It is an arithmetic number, because the mean of its divisors is an integer number (2525964611428).

Almost surely, 220200331211031 is an apocalyptic number.

20200331211031 is a deficient number, since it is larger than the sum of its proper divisors (7385680393).

20200331211031 is a wasteful number, since it uses less digits than its factorization.

20200331211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451641.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20200331211031 its reverse (13011213300202), we get a palindrome (33211544511233).

The spelling of 20200331211031 in words is "twenty trillion, two hundred billion, three hundred thirty-one million, two hundred eleven thousand, thirty-one".

Divisors: 1 3463 13417 434761 46463071 1505577343 5833188337 20200331211031