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31431035002 = 2153110264871
BaseRepresentation
bin11101010001011011…
…111000100001111010
310000010111001000100111
4131101123320201322
51003332321110002
622234512054534
72161614250363
oct352133704172
9100114030314
1031431035002
1112369aaa894
12611223444a
132c6b9bb983
141742518b6a
15c3e59e3d7
hex7516f887a

31431035002 has 8 divisors (see below), whose sum is σ = 47177351712. Its totient is φ = 15705251100.

The previous prime is 31431034993. The next prime is 31431035003. The reversal of 31431035002 is 20053013413.

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

It is a super-2 number, since 2×314310350022 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31431035003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5129374 + ... + 5135497.

It is an arithmetic number, because the mean of its divisors is an integer number (5897168964).

Almost surely, 231431035002 is an apocalyptic number.

31431035002 is a deficient number, since it is larger than the sum of its proper divisors (15746316710).

31431035002 is a wasteful number, since it uses less digits than its factorization.

31431035002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10266404.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 31431035002 its reverse (20053013413), we get a palindrome (51484048415).

The spelling of 31431035002 in words is "thirty-one billion, four hundred thirty-one million, thirty-five thousand, two".

Divisors: 1 2 1531 3062 10264871 20529742 15715517501 31431035002