Search a number
-
+
31413102421331 = 2359312491844021
BaseRepresentation
bin1110010010001111011101…
…10011111010010101010011
311010020001201010012112002002
413021013232303322111103
513104133013204440311
6150450551404144215
76421343650652321
oct711075663722523
9133201633175062
1031413102421331
11a011249419424
1236340a053806b
13146b3206c8747
147a858bb82d11
153971d836c93b
hex1c91eecfa553

31413102421331 has 16 divisors (see below), whose sum is σ = 32860472040000. Its totient is φ = 29972612567040.

The previous prime is 31413102421321. The next prime is 31413102421339. The reversal of 31413102421331 is 13312420131413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31413102421331 is a prime.

It is a super-2 number, since 2×314131024213312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31413102421294 and 31413102421303.

It is not an unprimeable number, because it can be changed into a prime (31413102421339) 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, 16113101 + ... + 17957121.

It is an arithmetic number, because the mean of its divisors is an integer number (2053779502500).

Almost surely, 231413102421331 is an apocalyptic number.

31413102421331 is a deficient number, since it is larger than the sum of its proper divisors (1447369618669).

31413102421331 is a wasteful number, since it uses less digits than its factorization.

31413102421331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845886.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31413102421331 its reverse (13312420131413), we get a palindrome (44725522552744).

The spelling of 31413102421331 in words is "thirty-one trillion, four hundred thirteen billion, one hundred two million, four hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 23 593 1249 13639 28727 740657 1844021 17035111 42412483 1093504453 2303182229 25150602419 52973191267 1365787061797 31413102421331