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130120031333 = 523248795471
BaseRepresentation
bin111100100101111000…
…0100001110001100101
3110102212021210110122202
41321023300201301211
54112441212000313
6135435403504245
712254332005635
oct1711360416145
9412767713582
10130120031333
1150202402486
1221274b28085
13c368a0caa6
1464253d26c5
1535b8673558
hex1e4bc21c65

130120031333 has 4 divisors (see below), whose sum is σ = 130368827328. Its totient is φ = 129871235340.

The previous prime is 130120031269. The next prime is 130120031339. The reversal of 130120031333 is 333130021031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 333130021031 = 688348398957.

It is a cyclic number.

It is not a de Polignac number, because 130120031333 - 26 = 130120031269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130120031339) 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, 124397213 + ... + 124398258.

It is an arithmetic number, because the mean of its divisors is an integer number (32592206832).

Almost surely, 2130120031333 is an apocalyptic number.

It is an amenable number.

130120031333 is a deficient number, since it is larger than the sum of its proper divisors (248795995).

130120031333 is an equidigital number, since it uses as much as digits as its factorization.

130120031333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248795994.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 130120031333 its reverse (333130021031), we get a palindrome (463250052364).

The spelling of 130120031333 in words is "one hundred thirty billion, one hundred twenty million, thirty-one thousand, three hundred thirty-three".

Divisors: 1 523 248795471 130120031333