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2031302312 = 2313191027987
BaseRepresentation
bin111100100010011…
…0011011010101000
312020120020211220222
41321010303122220
513130003133222
6533321505212
7101223533114
oct17104633250
95216224828
102031302312
11952687546
12488342208
13264ab7040
14153ac6744
15bd4e7542
hex791336a8

2031302312 has 32 divisors (see below), whose sum is σ = 4317549600. Its totient is φ = 888179904.

The previous prime is 2031302297. The next prime is 2031302321. The reversal of 2031302312 is 2132031302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512018 + ... + 515969.

It is an arithmetic number, because the mean of its divisors is an integer number (134923425).

Almost surely, 22031302312 is an apocalyptic number.

It is an amenable number.

2031302312 is an abundant number, since it is smaller than the sum of its proper divisors (2286247288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031302312 is a wasteful number, since it uses less digits than its factorization.

2031302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028025 (or 1028021 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2031302312 is about 45069.9712890967. The cubic root of 2031302312 is about 1266.4601265577.

Adding to 2031302312 its reverse (2132031302), we get a palindrome (4163333614).

The spelling of 2031302312 in words is "two billion, thirty-one million, three hundred two thousand, three hundred twelve".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 1027987 2055974 4111948 8223896 13363831 19531753 26727662 39063506 53455324 78127012 106910648 156254024 253912789 507825578 1015651156 2031302312