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31203001030 = 253120300103
BaseRepresentation
bin11101000011110110…
…000000001011000110
32222112120221200112211
4131003312000023012
51002400432013110
622200124334034
72153145063325
oct350366001306
988476850484
1031203001030
111226230a563
1260699a431a
132c3369a526
14172011a0bc
15c2955898a
hex743d802c6

31203001030 has 8 divisors (see below), whose sum is σ = 56165401872. Its totient is φ = 12481200408.

The previous prime is 31203001003. The next prime is 31203001043. The reversal of 31203001030 is 3010030213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31203001030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560150042 + ... + 1560150061.

It is an arithmetic number, because the mean of its divisors is an integer number (7020675234).

Almost surely, 231203001030 is an apocalyptic number.

31203001030 is a deficient number, since it is larger than the sum of its proper divisors (24962400842).

31203001030 is a wasteful number, since it uses less digits than its factorization.

31203001030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120300110.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 31203001030 its reverse (3010030213), we get a palindrome (34213031243).

The spelling of 31203001030 in words is "thirty-one billion, two hundred three million, one thousand, thirty".

Divisors: 1 2 5 10 3120300103 6240600206 15601500515 31203001030