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31360400101 = 379175947041
BaseRepresentation
bin11101001101001110…
…011011101011100101
32222221120010101111001
4131031032123223211
51003211230300401
622223510113301
72160066000622
oct351516335345
988846111431
1031360400101
1112333145838
1260b264b831
132c5a18a184
141736dad349
15c3829a601
hex74d39bae5

31360400101 has 8 divisors (see below), whose sum is σ = 31461689600. Its totient is φ = 31259208960.

The previous prime is 31360400081. The next prime is 31360400107. The reversal of 31360400101 is 10100406313.

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

It is a cyclic number.

It is not a de Polignac number, because 31360400101 - 25 = 31360400069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31360400107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643141 + ... + 690181.

It is an arithmetic number, because the mean of its divisors is an integer number (3932711200).

Almost surely, 231360400101 is an apocalyptic number.

It is an amenable number.

31360400101 is a deficient number, since it is larger than the sum of its proper divisors (101289499).

31360400101 is a wasteful number, since it uses less digits than its factorization.

31360400101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49179.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31360400101 its reverse (10100406313), we get a palindrome (41460806414).

The spelling of 31360400101 in words is "thirty-one billion, three hundred sixty million, four hundred thousand, one hundred one".

Divisors: 1 379 1759 47041 666661 17828539 82745119 31360400101