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2010121131 = 319257137219
BaseRepresentation
bin111011111010000…
…0000001110101011
312012002101201210210
41313310000032223
513104042334011
6531243512203
7100545514314
oct16764001653
95162351723
102010121131
1194172a837
12481228663
132605ac0b5
14150d7160b
15bb7116a6
hex77d003ab

2010121131 has 16 divisors (see below), whose sum is σ = 2832220800. Its totient is φ = 1264601088.

The previous prime is 2010121067. The next prime is 2010121147. The reversal of 2010121131 is 1311210102.

It is not a de Polignac number, because 2010121131 - 26 = 2010121067 is a prime.

It is a super-2 number, since 2×20101211312 = 8081173922585438322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2010121151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53961 + ... + 83258.

It is an arithmetic number, because the mean of its divisors is an integer number (177013800).

Almost surely, 22010121131 is an apocalyptic number.

2010121131 is a deficient number, since it is larger than the sum of its proper divisors (822099669).

2010121131 is a wasteful number, since it uses less digits than its factorization.

2010121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137498.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2010121131 is about 44834.3744352478. The cubic root of 2010121131 is about 1262.0427791922.

Adding to 2010121131 its reverse (1311210102), we get a palindrome (3321331233).

The spelling of 2010121131 in words is "two billion, ten million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 3 19 57 257 771 4883 14649 137219 411657 2607161 7821483 35265283 105795849 670040377 2010121131