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2131203133001 = 5933593934457
BaseRepresentation
bin11111000000110101100…
…110110000111001001001
321112202000012200120210102
4133000311212300321021
5234404201000224001
64311021115255145
7306655125506555
oct37006546607111
97482005616712
102131203133001
11751924676608
122a505b74a4b5
13125c82789407
1475217a62865
153a686799e6b
hex1f0359b0e49

2131203133001 has 4 divisors (see below), whose sum is σ = 2134797068052. Its totient is φ = 2127609197952.

The previous prime is 2131203132973. The next prime is 2131203133039. The reversal of 2131203133001 is 1003313021312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1872452877376 + 258750255625 = 1368376^2 + 508675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2131203133001 is a prime.

It is a super-2 number, since 2×21312031330012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131203133051) 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, 1796966636 + ... + 1796967821.

It is an arithmetic number, because the mean of its divisors is an integer number (533699267013).

Almost surely, 22131203133001 is an apocalyptic number.

It is an amenable number.

2131203133001 is a deficient number, since it is larger than the sum of its proper divisors (3593935051).

2131203133001 is an equidigital number, since it uses as much as digits as its factorization.

2131203133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593935050.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 2131203133001 its reverse (1003313021312), we get a palindrome (3134516154313).

The spelling of 2131203133001 in words is "two trillion, one hundred thirty-one billion, two hundred three million, one hundred thirty-three thousand, one".

Divisors: 1 593 3593934457 2131203133001