Search a number
-
+
331401240131 = 1396726362361
BaseRepresentation
bin1001101001010010000…
…11011001111001000011
31011200101220220022012212
410310221003121321003
520412202204141011
6412124342412335
732641301030363
oct4645103317103
91150356808185
10331401240131
111186013a6825
12542897310ab
13253355b7a80
141207b7029a3
15894932508b
hex4d290d9e43

331401240131 has 8 divisors (see below), whose sum is σ = 357262729824. Its totient is φ = 305592477120.

The previous prime is 331401240109. The next prime is 331401240161. The reversal of 331401240131 is 131042104133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331401240131 - 26 = 331401240067 is a prime.

It is a super-2 number, since 2×3314012401312 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331401240097 and 331401240106.

It is not an unprimeable number, because it can be changed into a prime (331401240161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13168610 + ... + 13193751.

It is an arithmetic number, because the mean of its divisors is an integer number (44657841228).

Almost surely, 2331401240131 is an apocalyptic number.

331401240131 is a deficient number, since it is larger than the sum of its proper divisors (25861489693).

331401240131 is a wasteful number, since it uses less digits than its factorization.

331401240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26363341.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 331401240131 its reverse (131042104133), we get a palindrome (462443344264).

The spelling of 331401240131 in words is "three hundred thirty-one billion, four hundred one million, two hundred forty thousand, one hundred thirty-one".

Divisors: 1 13 967 12571 26362361 342710693 25492403087 331401240131