Search a number
-
+
102133020031 = 714590431433
BaseRepresentation
bin101111100011110011…
…0100011010101111111
3100202121211021222122121
41133013212203111333
53133132023120111
6114530321023411
710243644226540
oct1370746432577
9322554258577
10102133020031
113a350477679
1217964184b67
1398286bc083
144d2c4644c7
1529cb625871
hex17c79a357f

102133020031 has 4 divisors (see below), whose sum is σ = 116723451472. Its totient is φ = 87542588592.

The previous prime is 102133019993. The next prime is 102133020043. The reversal of 102133020031 is 130020331201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130020331201 = 194827667363.

It is a cyclic number.

It is not a de Polignac number, because 102133020031 - 219 = 102132495743 is a prime.

It is a super-2 number, since 2×1021330200312 (a number of 23 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 = 102133019987 and 102133020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102133020061) 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, 7295215710 + ... + 7295215723.

It is an arithmetic number, because the mean of its divisors is an integer number (29180862868).

Almost surely, 2102133020031 is an apocalyptic number.

102133020031 is a deficient number, since it is larger than the sum of its proper divisors (14590431441).

102133020031 is an equidigital number, since it uses as much as digits as its factorization.

102133020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590431440.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 102133020031 its reverse (130020331201), we get a palindrome (232153351232).

The spelling of 102133020031 in words is "one hundred two billion, one hundred thirty-three million, twenty thousand, thirty-one".

Divisors: 1 7 14590431433 102133020031