Search a number
-
+
2131121202301 = 71329531890299
BaseRepresentation
bin11111000000110000101…
…110001110010001111101
321112201210111112002000001
4133000300232032101331
5234404014011433201
64311005031234301
7306653112222550
oct37006056162175
97481714462001
102131121202301
117518923a6893
122a5038218991
13125c6b801300
147520ac16697
153a67e4b4301
hex1f030b8e47d

2131121202301 has 24 divisors (see below), whose sum is σ = 2640098836800. Its totient is φ = 1684391619456.

The previous prime is 2131121202277. The next prime is 2131121202323. The reversal of 2131121202301 is 1032021211312.

It is not a de Polignac number, because 2131121202301 - 221 = 2131119105149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131121202341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182250 + ... + 2072548.

It is an arithmetic number, because the mean of its divisors is an integer number (110004118200).

Almost surely, 22131121202301 is an apocalyptic number.

It is an amenable number.

2131121202301 is a deficient number, since it is larger than the sum of its proper divisors (508977634499).

2131121202301 is a wasteful number, since it uses less digits than its factorization.

2131121202301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891285 (or 1891272 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2131121202301 its reverse (1032021211312), we get a palindrome (3163142413613).

The spelling of 2131121202301 in words is "two trillion, one hundred thirty-one billion, one hundred twenty-one million, two hundred two thousand, three hundred one".

Divisors: 1 7 13 91 169 953 1183 6671 12389 86723 161057 1127399 1890299 13232093 24573887 172017209 319460531 1801454947 2236223717 12610184629 23418914311 163932400177 304445886043 2131121202301