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131001023030 = 2537354056819
BaseRepresentation
bin111101000000001000…
…1001111101000110110
3110112010200112111001212
41322000101033220312
54121242230214110
6140103034321422
712315220215563
oct1720021175066
9415120474055
10131001023030
1150614731599
122147bb89272
13c4793ac557
1464aa40186a
15361ab97e05
hex1e8044fa36

131001023030 has 16 divisors (see below), whose sum is σ = 242174864880. Its totient is φ = 50984181792.

The previous prime is 131001023029. The next prime is 131001023047. The reversal of 131001023030 is 30320100131.

It is a super-2 number, since 2×1310010230302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131001022996 and 131001023014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177028040 + ... + 177028779.

It is an arithmetic number, because the mean of its divisors is an integer number (15135929055).

Almost surely, 2131001023030 is an apocalyptic number.

131001023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131001023030 is a deficient number, since it is larger than the sum of its proper divisors (111173841850).

131001023030 is a wasteful number, since it uses less digits than its factorization.

131001023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354056863.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 131001023030 its reverse (30320100131), we get a palindrome (161321123161).

The spelling of 131001023030 in words is "one hundred thirty-one billion, one million, twenty-three thousand, thirty".

Divisors: 1 2 5 10 37 74 185 370 354056819 708113638 1770284095 3540568190 13100102303 26200204606 65500511515 131001023030