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1210012313 = 23531915197
BaseRepresentation
bin100100000011111…
…0101001010011001
310010022211222211212
41020013311022121
54434230343223
6320022432505
741661635456
oct11007651231
93108758755
101210012313
11571025184
12299292735
131638bb823
14b69b882d
1571367278
hex481f5299

1210012313 has 16 divisors (see below), whose sum is σ = 1293428736. Its totient is φ = 1129402560.

The previous prime is 1210012291. The next prime is 1210012319. The reversal of 1210012313 is 3132100121.

Adding to 1210012313 its reverse (3132100121), we get a palindrome (4342112434).

It is a cyclic number.

It is not a de Polignac number, because 1210012313 - 226 = 1142903449 is a prime.

It is a super-2 number, since 2×12100123132 = 2928259595223219938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210012319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230231 + ... + 235427.

It is an arithmetic number, because the mean of its divisors is an integer number (80839296).

Almost surely, 21210012313 is an apocalyptic number.

It is an amenable number.

1210012313 is a deficient number, since it is larger than the sum of its proper divisors (83416423).

1210012313 is a wasteful number, since it uses less digits than its factorization.

1210012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1210012313 is about 34785.2312483330. The cubic root of 1210012313 is about 1065.6058512889.

The spelling of 1210012313 in words is "one billion, two hundred ten million, twelve thousand, three hundred thirteen".

Divisors: 1 23 53 191 1219 4393 5197 10123 119531 232829 275441 992627 6335143 22830421 52609231 1210012313