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2031321299 = 7939730881
BaseRepresentation
bin111100100010011…
…1000000011010011
312020120021210222012
41321010320003103
513130004240144
6533322133135
7101223642350
oct17104700323
95216253865
102031321299
1195269a837
124883511ab
13264ac2887
14153acd627
15bd4ece9e
hex791380d3

2031321299 has 8 divisors (see below), whose sum is σ = 2321832288. Its totient is φ = 1740890880.

The previous prime is 2031321139. The next prime is 2031321311. The reversal of 2031321299 is 9921231302.

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

It is a cyclic number.

It is not a de Polignac number, because 2031321299 - 28 = 2031321043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031324299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50339 + ... + 81219.

It is an arithmetic number, because the mean of its divisors is an integer number (290229036).

Almost surely, 22031321299 is an apocalyptic number.

2031321299 is a deficient number, since it is larger than the sum of its proper divisors (290510989).

2031321299 is an equidigital number, since it uses as much as digits as its factorization.

2031321299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40285.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2031321299 is about 45070.1819277446. The cubic root of 2031321299 is about 1266.4640724998.

The spelling of 2031321299 in words is "two billion, thirty-one million, three hundred twenty-one thousand, two hundred ninety-nine".

Divisors: 1 7 9397 30881 65779 216167 290188757 2031321299