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331131131200131 = 31993821145160563
BaseRepresentation
bin100101101001010010111100…
…1011100110000001010000011
31121102102211022212112221022020
41023102211321130300022003
5321400223024041401011
63132131312554412523
7126514302055553253
oct11322457134601203
91542384285487266
10331131131200131
1196565a18a9aa39
123117b521a31143
131129c6bb16a3c2
145baab91a35963
1528437321ad006
hex12d2979730283

331131131200131 has 16 divisors (see below), whose sum is σ = 443842940486400. Its totient is φ = 219587285348640.

The previous prime is 331131131200127. The next prime is 331131131200139. The reversal of 331131131200131 is 131002131131133.

It is not a de Polignac number, because 331131131200131 - 22 = 331131131200127 is a prime.

It is a super-2 number, since 2×3311311312001312 (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331131131200139) 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, 70299145 + ... + 74861418.

It is an arithmetic number, because the mean of its divisors is an integer number (27740183780400).

Almost surely, 2331131131200131 is an apocalyptic number.

331131131200131 is a deficient number, since it is larger than the sum of its proper divisors (112711809286269).

331131131200131 is a wasteful number, since it uses less digits than its factorization.

331131131200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145164586.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 331131131200131 its reverse (131002131131133), we get a palindrome (462133262331264).

The spelling of 331131131200131 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred thousand, one hundred thirty-one".

Divisors: 1 3 199 597 3821 11463 760379 2281137 145160563 435481689 28886952037 86660856111 554658511223 1663975533669 110377043733377 331131131200131