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31425140453 = 721036226499
BaseRepresentation
bin11101010001000101…
…011001011011100101
310000010001221112112212
4131101011121123211
51003324313443303
622234141453205
72161513200200
oct352105313345
9100101845485
1031425140453
1112366744163
126110271205
132c6a706985
141741822937
15c3dcd7ad8
hex7511596e5

31425140453 has 12 divisors (see below), whose sum is σ = 36910692000. Its totient is φ = 26674317432.

The previous prime is 31425140443. The next prime is 31425140507. The reversal of 31425140453 is 35404152413.

It is not a de Polignac number, because 31425140453 - 210 = 31425139429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425140413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3108203 + ... + 3118296.

It is an arithmetic number, because the mean of its divisors is an integer number (3075891000).

Almost surely, 231425140453 is an apocalyptic number.

It is an amenable number.

31425140453 is a deficient number, since it is larger than the sum of its proper divisors (5485551547).

31425140453 is a wasteful number, since it uses less digits than its factorization.

31425140453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6226616 (or 6226609 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 31425140453 its reverse (35404152413), we get a palindrome (66829292866).

The spelling of 31425140453 in words is "thirty-one billion, four hundred twenty-five million, one hundred forty thousand, four hundred fifty-three".

Divisors: 1 7 49 103 721 5047 6226499 43585493 305098451 641329397 4489305779 31425140453