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3131112002 = 25572810693
BaseRepresentation
bin1011101010100000…
…1111101001000010
322002012201222012012
42322220033221002
522403031041002
61234410332522
7140410004264
oct27250175102
98065658165
103131112002
111367481877
1273472a142
133ab8cc1c5
14219bb5b34
15134d41d52
hexbaa0fa42

3131112002 has 8 divisors (see below), whose sum is σ = 4705101756. Its totient is φ = 1562744752.

The previous prime is 3131111987. The next prime is 3131112041. The reversal of 3131112002 is 2002111313.

It can be written as a sum of positive squares in 2 ways, for example, as 2888095081 + 243016921 = 53741^2 + 15589^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404233 + ... + 1406460.

Almost surely, 23131112002 is an apocalyptic number.

3131112002 is a deficient number, since it is larger than the sum of its proper divisors (1573989754).

3131112002 is a wasteful number, since it uses less digits than its factorization.

3131112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811252.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3131112002 is about 55956.3401412208. The cubic root of 3131112002 is about 1462.9614004970.

Adding to 3131112002 its reverse (2002111313), we get a palindrome (5133223315).

The spelling of 3131112002 in words is "three billion, one hundred thirty-one million, one hundred twelve thousand, two".

Divisors: 1 2 557 1114 2810693 5621386 1565556001 3131112002