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431031102442 = 2233992140039
BaseRepresentation
bin1100100010110110111…
…01001010101111101010
31112012120022001201000021
412101123131022233222
524030222430234232
6530002444231054
743066231630303
oct6213335125752
91465508051007
10431031102442
11156887902a06
126b65353b48a
1331852510315
1416c0d5337aa
15b32ace9397
hex645b74abea

431031102442 has 8 divisors (see below), whose sum is σ = 646823080800. Its totient is φ = 215423408844.

The previous prime is 431031102431. The next prime is 431031102449. The reversal of 431031102442 is 244201130134.

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

It is a super-2 number, since 2×4310311024422 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431031102449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46065342 + ... + 46074697.

It is an arithmetic number, because the mean of its divisors is an integer number (80852885100).

Almost surely, 2431031102442 is an apocalyptic number.

431031102442 is a deficient number, since it is larger than the sum of its proper divisors (215791978358).

431031102442 is a wasteful number, since it uses less digits than its factorization.

431031102442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92142380.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 431031102442 its reverse (244201130134), we get a palindrome (675232232576).

The spelling of 431031102442 in words is "four hundred thirty-one billion, thirty-one million, one hundred two thousand, four hundred forty-two".

Divisors: 1 2 2339 4678 92140039 184280078 215515551221 431031102442