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2031111123310 = 25203111112331
BaseRepresentation
bin11101100011100111101…
…010000011000101101110
321012011122121220122222101
4131203213222003011232
5231234203421421220
64153025104205314
7266512553455333
oct35434752030556
97164577818871
102031111123310
11713431307245
1228978700983a
131196c0ba3089
14704406d098a
1537c7943830a
hex1d8e7a8316e

2031111123310 has 8 divisors (see below), whose sum is σ = 3656000021976. Its totient is φ = 812444449320.

The previous prime is 2031111123289. The next prime is 2031111123319. The reversal of 2031111123310 is 133211111302.

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

It is a super-2 number, since 2×20311111233102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031111123319) 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, 101555556156 + ... + 101555556175.

It is an arithmetic number, because the mean of its divisors is an integer number (457000002747).

Almost surely, 22031111123310 is an apocalyptic number.

2031111123310 is a deficient number, since it is larger than the sum of its proper divisors (1624888898666).

2031111123310 is a wasteful number, since it uses less digits than its factorization.

2031111123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203111112338.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2031111123310 its reverse (133211111302), we get a palindrome (2164322234612).

The spelling of 2031111123310 in words is "two trillion, thirty-one billion, one hundred eleven million, one hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 5 10 203111112331 406222224662 1015555561655 2031111123310