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1030431040212 = 223712267036193
BaseRepresentation
bin11101111111010100111…
…10011110001011010100
310122111201111210102212110
432333222132132023110
5113340310321241322
62105212401151020
7134306020216620
oct16775236361324
93574644712773
101030431040212
11368004505902
1214785532b470
1376227a4c802
1437c31c16180
151bc0d135c0c
hexefea79e2d4

1030431040212 has 24 divisors (see below), whose sum is σ = 2747816107456. Its totient is φ = 294408868608.

The previous prime is 1030431040207. The next prime is 1030431040213. The reversal of 1030431040212 is 2120401340301.

It is a super-2 number, since 2×10304310402122 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030431040213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6133518013 + ... + 6133518180.

Almost surely, 21030431040212 is an apocalyptic number.

1030431040212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1030431040212 is an abundant number, since it is smaller than the sum of its proper divisors (1717385067244).

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

1030431040212 is a wasteful number, since it uses less digits than its factorization.

1030431040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267036207 (or 12267036205 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1030431040212 its reverse (2120401340301), we get a palindrome (3150832380513).

The spelling of 1030431040212 in words is "one trillion, thirty billion, four hundred thirty-one million, forty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 12267036193 24534072386 36801108579 49068144772 73602217158 85869253351 147204434316 171738506702 257607760053 343477013404 515215520106 1030431040212