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2031131220010 = 25203113122001
BaseRepresentation
bin11101100011101000110…
…110101101100000101010
321012011201000201200110121
4131203220312231200222
5231234224043020020
64153031103033454
7266513216336314
oct35435066554052
97164630650417
102031131220010
11713441693192
1228979189b88a
131196c50bb509
14704432427b4
1537c7b0a7baa
hex1d8e8dad82a

2031131220010 has 8 divisors (see below), whose sum is σ = 3656036196036. Its totient is φ = 812452488000.

The previous prime is 2031131220007. The next prime is 2031131220061. The reversal of 2031131220010 is 100221311302.

It can be written as a sum of positive squares in 2 ways, for example, as 1915597170601 + 115534049409 = 1384051^2 + 339903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20311312200102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101556560991 + ... + 101556561010.

Almost surely, 22031131220010 is an apocalyptic number.

2031131220010 is a deficient number, since it is larger than the sum of its proper divisors (1624904976026).

2031131220010 is a wasteful number, since it uses less digits than its factorization.

2031131220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203113122008.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2031131220010 its reverse (100221311302), we get a palindrome (2131352531312).

The spelling of 2031131220010 in words is "two trillion, thirty-one billion, one hundred thirty-one million, two hundred twenty thousand, ten".

Divisors: 1 2 5 10 203113122001 406226244002 1015565610005 2031131220010