Search a number
-
+
331202301131 = 1325477100087
BaseRepresentation
bin1001101000111010011…
…00100000110011001011
31011122220001120011012202
410310131030200303023
520411300242114011
6412052514430415
732633334052322
oct4643514406313
91148801504182
10331202301131
1111850a078a29
1254232b9240b
13253033126a0
141205d1190b9
158936b2a23b
hex4d1d320ccb

331202301131 has 4 divisors (see below), whose sum is σ = 356679401232. Its totient is φ = 305725201032.

The previous prime is 331202301119. The next prime is 331202301149. The reversal of 331202301131 is 131103202133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131103202133 = 177773777829.

It is a cyclic number.

It is not a de Polignac number, because 331202301131 - 238 = 56324394187 is a prime.

It is a super-2 number, since 2×3312023011312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331202301191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12738550031 + ... + 12738550056.

It is an arithmetic number, because the mean of its divisors is an integer number (89169850308).

Almost surely, 2331202301131 is an apocalyptic number.

331202301131 is a deficient number, since it is larger than the sum of its proper divisors (25477100101).

331202301131 is a wasteful number, since it uses less digits than its factorization.

331202301131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25477100100.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 331202301131 its reverse (131103202133), we get a palindrome (462305503264).

The spelling of 331202301131 in words is "three hundred thirty-one billion, two hundred two million, three hundred one thousand, one hundred thirty-one".

Divisors: 1 13 25477100087 331202301131