Search a number
-
+
312021110000131 = 7238272343433273
BaseRepresentation
bin100011011110010000001001…
…1011011001000101000000011
31111220202221000122012210211021
41012330200103123020220003
5311344123213130001011
63023340304042530311
7122502531656522350
oct10674402333105003
91456687018183737
10312021110000131
1190468456248924
122abb3946506997
131051460644192c
145709c8bcbd627
1526115b9ba9471
hex11bc8136c8a03

312021110000131 has 16 divisors (see below), whose sum is σ = 372549648167424. Its totient is φ = 255509216512704.

The previous prime is 312021110000129. The next prime is 312021110000189. The reversal of 312021110000131 is 131000011120213.

It is a happy number.

It is not a de Polignac number, because 312021110000131 - 21 = 312021110000129 is a prime.

It is a super-2 number, since 2×3120211100001312 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312021110000101) 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, 1171583490 + ... + 1171849783.

It is an arithmetic number, because the mean of its divisors is an integer number (23284353010464).

Almost surely, 2312021110000131 is an apocalyptic number.

312021110000131 is a deficient number, since it is larger than the sum of its proper divisors (60528538167293).

312021110000131 is a wasteful number, since it uses less digits than its factorization.

312021110000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343434130.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 312021110000131 its reverse (131000011120213), we get a palindrome (443021121120344).

The spelling of 312021110000131 in words is "three hundred twelve trillion, twenty-one billion, one hundred ten million, one hundred thirty-one", and thus it is an aban number.

Divisors: 1 7 23 161 827 5789 19021 133147 2343433273 16404032911 53898965279 377292756953 1938019316771 13566135217397 44574444285733 312021110000131