Search a number
-
+
120320240131 = 7131322200441
BaseRepresentation
bin111000000001110100…
…1010010101000000011
3102111120022202111101001
41300003221102220003
53432403440141011
6131135132152431
711456435111050
oct1600351225003
9374508674331
10120320240131
1147033703293
121b39b008717
13b466650980
145b75aa8027
1531e31617c1
hex1c03a52a03

120320240131 has 8 divisors (see below), whose sum is σ = 148086449504. Its totient is φ = 95198431680.

The previous prime is 120320240107. The next prime is 120320240137. The reversal of 120320240131 is 131042023021.

It is a happy number.

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 120320240131 - 27 = 120320240003 is a prime.

It is a super-2 number, since 2×1203202401312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120320240099 and 120320240108.

It is not an unprimeable number, because it can be changed into a prime (120320240137) 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, 661100130 + ... + 661100311.

It is an arithmetic number, because the mean of its divisors is an integer number (18510806188).

Almost surely, 2120320240131 is an apocalyptic number.

120320240131 is a deficient number, since it is larger than the sum of its proper divisors (27766209373).

120320240131 is a wasteful number, since it uses less digits than its factorization.

120320240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322200461.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120320240131 its reverse (131042023021), we get a palindrome (251362263152).

The spelling of 120320240131 in words is "one hundred twenty billion, three hundred twenty million, two hundred forty thousand, one hundred thirty-one".

Divisors: 1 7 13 91 1322200441 9255403087 17188605733 120320240131