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1030120020231 = 39711783300427
BaseRepresentation
bin11101111110101111111…
…00000001100100000111
310122110220211112222122220
432333113330001210013
5113334141211121411
62105121451023423
7134265222462051
oct16772774014407
93573824488586
101030120020231
113679649949a5
1214778913ab73
13761a8493b13
1437c027b48d1
151bbe0b9bb06
hexefd7f01907

1030120020231 has 16 divisors (see below), whose sum is σ = 1387775472384. Its totient is φ = 679606873344.

The previous prime is 1030120020187. The next prime is 1030120020269. The reversal of 1030120020231 is 1320200210301.

It is not a de Polignac number, because 1030120020231 - 219 = 1030119495943 is a prime.

It is a super-2 number, since 2×10301200202312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1030120020231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030120020271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3278640 + ... + 3579066.

It is an arithmetic number, because the mean of its divisors is an integer number (86735967024).

Almost surely, 21030120020231 is an apocalyptic number.

1030120020231 is a deficient number, since it is larger than the sum of its proper divisors (357655452153).

1030120020231 is a wasteful number, since it uses less digits than its factorization.

1030120020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312310.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1030120020231 its reverse (1320200210301), we get a palindrome (2350320230532).

The spelling of 1030120020231 in words is "one trillion, thirty billion, one hundred twenty million, twenty thousand, two hundred thirty-one".

Divisors: 1 3 97 291 11783 35349 300427 901281 1142951 3428853 29141419 87424257 3539931341 10619794023 343373340077 1030120020231