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1030212111331 = 1379247085487
BaseRepresentation
bin11101111110111010110…
…11010100101111100011
310122111011020211200220101
432333131123110233203
5113334333300030311
62105134540523231
7134300421314164
oct16773533245743
93574136750811
101030212111331
11367a01974347
121477b3b50517
13761c15987b0
1437c10b0776b
151bbe8cdcec1
hexefdd6d4be3

1030212111331 has 4 divisors (see below), whose sum is σ = 1109459196832. Its totient is φ = 950965025832.

The previous prime is 1030212111329. The next prime is 1030212111389. The reversal of 1030212111331 is 1331112120301.

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 1030212111331 - 21 = 1030212111329 is a prime.

It is a super-2 number, since 2×10302121113312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030212111299 and 1030212111308.

It is not an unprimeable number, because it can be changed into a prime (1030212111391) 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, 39623542731 + ... + 39623542756.

It is an arithmetic number, because the mean of its divisors is an integer number (277364799208).

Almost surely, 21030212111331 is an apocalyptic number.

1030212111331 is a deficient number, since it is larger than the sum of its proper divisors (79247085501).

1030212111331 is an equidigital number, since it uses as much as digits as its factorization.

1030212111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79247085500.

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

Adding to 1030212111331 its reverse (1331112120301), we get a palindrome (2361324231632).

The spelling of 1030212111331 in words is "one trillion, thirty billion, two hundred twelve million, one hundred eleven thousand, three hundred thirty-one".

Divisors: 1 13 79247085487 1030212111331