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1232042403431 = 72431633335801
BaseRepresentation
bin10001111011011011011…
…100110010011001100111
311100210010011010212011002
4101323123130302121213
5130141210323402211
62341554212303515
7155004105431600
oct21733334623147
94323104125132
101232042403431
114355628aa044
1217a940611b9b
138c247b52938
14438b9d08da7
15220acca103b
hex11edb732667

1232042403431 has 24 divisors (see below), whose sum is σ = 1466652988944. Its totient is φ = 1031385398400.

The previous prime is 1232042403373. The next prime is 1232042403443. The reversal of 1232042403431 is 1343042402321.

It is not a de Polignac number, because 1232042403431 - 234 = 1214862534247 is a prime.

It is a super-2 number, since 2×12320424034312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232042403394 and 1232042403403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232042409431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34395731 + ... + 34431531.

It is an arithmetic number, because the mean of its divisors is an integer number (61110541206).

Almost surely, 21232042403431 is an apocalyptic number.

1232042403431 is a deficient number, since it is larger than the sum of its proper divisors (234610585513).

1232042403431 is a wasteful number, since it uses less digits than its factorization.

1232042403431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52191 (or 52184 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1232042403431 its reverse (1343042402321), we get a palindrome (2575084805752).

The spelling of 1232042403431 in words is "one trillion, two hundred thirty-two billion, forty-two million, four hundred three thousand, four hundred thirty-one".

Divisors: 1 7 43 49 301 2107 16333 35801 114331 250607 702319 800317 1539443 1754249 4916233 10776101 34413631 75432707 584737733 4093164131 25143722519 28652148917 176006057633 1232042403431