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130135531031 = 1111830502821
BaseRepresentation
bin111100100110010101…
…1101001111000010111
3110102220100221221020122
41321030223221320113
54113004143443111
6135441120022155
712254610522362
oct1711453517027
9412810857218
10130135531031
1150210129650
122127a16195b
13c36bca89cc
1464274a90d9
1535b9bd5cdb
hex1e4cae9e17

130135531031 has 4 divisors (see below), whose sum is σ = 141966033864. Its totient is φ = 118305028200.

The previous prime is 130135531003. The next prime is 130135531049.

130135531031 is nontrivially palindromic in base 10.

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 130135531031 - 226 = 130068422167 is a prime.

It is a super-2 number, since 2×1301355310312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130135531051) 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, 5915251400 + ... + 5915251421.

It is an arithmetic number, because the mean of its divisors is an integer number (35491508466).

Almost surely, 2130135531031 is an apocalyptic number.

130135531031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130135531031 is a deficient number, since it is larger than the sum of its proper divisors (11830502833).

130135531031 is a wasteful number, since it uses less digits than its factorization.

130135531031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11830502832.

The product of its (nonzero) digits is 2025, while the sum is 26.

It can be divided in two parts, 130135 and 531031, that added together give a palindrome (661166).

The spelling of 130135531031 in words is "one hundred thirty billion, one hundred thirty-five million, five hundred thirty-one thousand, thirty-one".

Divisors: 1 11 11830502821 130135531031