Search a number
-
+
120211331031031 = 694717304063773
BaseRepresentation
bin11011010101010011100001…
…101011110001111111110111
3120202122002110100101201212211
4123111103201223301333313
5111224020301220443111
61103400153442154251
734214660563255102
oct3325234153617767
9522562410351784
10120211331031031
1135337380511769
1211595917652987
13520cb59117626
14219838bd91739
15dd6e8c757521
hex6d54e1af1ff7

120211331031031 has 4 divisors (see below), whose sum is σ = 120228635101752. Its totient is φ = 120194026960312.

The previous prime is 120211331030981. The next prime is 120211331031041. The reversal of 120211331031031 is 130130133112021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120211331031031 - 233 = 120202741096439 is a prime.

It is a super-2 number, since 2×1202113310310312 (a number of 29 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 = 120211331030993 and 120211331031011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211331031041) 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, 8652024940 + ... + 8652038833.

It is an arithmetic number, because the mean of its divisors is an integer number (30057158775438).

Almost surely, 2120211331031031 is an apocalyptic number.

120211331031031 is a deficient number, since it is larger than the sum of its proper divisors (17304070721).

120211331031031 is an equidigital number, since it uses as much as digits as its factorization.

120211331031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17304070720.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 120211331031031 its reverse (130130133112021), we get a palindrome (250341464143052).

The spelling of 120211331031031 in words is "one hundred twenty trillion, two hundred eleven billion, three hundred thirty-one million, thirty-one thousand, thirty-one".

Divisors: 1 6947 17304063773 120211331031031