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1030200231 = 331710211061
BaseRepresentation
bin111101011001111…
…001101110100111
32122210111121001010
4331121321232213
54102212401411
6250120433303
734346362134
oct7531715647
92583447033
101030200231
11489580755
12249018833
13135582348
149ab6d58b
15606997a6
hex3d679ba7

1030200231 has 16 divisors (see below), whose sum is σ = 1380583008. Its totient is φ = 683318400.

The previous prime is 1030200217. The next prime is 1030200247. The reversal of 1030200231 is 1320020301.

It is a happy number.

It is not a de Polignac number, because 1030200231 - 27 = 1030200103 is a prime.

It is a super-2 number, since 2×10302002312 = 2122625031904906722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030200331) 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, 970441 + ... + 971501.

It is an arithmetic number, because the mean of its divisors is an integer number (86286438).

Almost surely, 21030200231 is an apocalyptic number.

1030200231 is a deficient number, since it is larger than the sum of its proper divisors (350382777).

1030200231 is a wasteful number, since it uses less digits than its factorization.

1030200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1030200231 is about 32096.7324037822. The cubic root of 1030200231 is about 1009.9670711089.

Adding to 1030200231 its reverse (1320020301), we get a palindrome (2350220532).

The spelling of 1030200231 in words is "one billion, thirty million, two hundred thousand, two hundred thirty-one".

Divisors: 1 3 317 951 1021 1061 3063 3183 323657 336337 970971 1009011 1083281 3249843 343400077 1030200231