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120131001310 = 2515271786661
BaseRepresentation
bin110111111100001011…
…1011001101111011110
3102111002010200011111211
41233320113121233132
53432012014020220
6131104252135034
711451646443265
oct1577027315736
9374063604454
10120131001310
1146a46900371
121b34776747a
13b436393838
145b588c75dc
1531d1730b5a
hex1bf85d9bde

120131001310 has 16 divisors (see below), whose sum is σ = 216250237152. Its totient is φ = 48049192800.

The previous prime is 120131001281. The next prime is 120131001337. The reversal of 120131001310 is 13100131021.

It is a super-2 number, since 2×1201310013102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240621 + ... + 546040.

It is an arithmetic number, because the mean of its divisors is an integer number (13515639822).

Almost surely, 2120131001310 is an apocalyptic number.

120131001310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120131001310 is a deficient number, since it is larger than the sum of its proper divisors (96119235842).

120131001310 is a wasteful number, since it uses less digits than its factorization.

120131001310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801939.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 120131001310 its reverse (13100131021), we get a palindrome (133231132331).

The spelling of 120131001310 in words is "one hundred twenty billion, one hundred thirty-one million, one thousand, three hundred ten".

Divisors: 1 2 5 10 15271 30542 76355 152710 786661 1573322 3933305 7866610 12013100131 24026200262 60065500655 120131001310