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31044420001 = 717260877479
BaseRepresentation
bin11100111010011001…
…000100000110100001
32222010112112221021101
4130322121010012201
51002034332420001
622132301354401
72146211134060
oct347231040641
988115487241
1031044420001
1112190847261
126024868a01
132c098858ba
14170703a1d7
15c1a681a01
hex73a6441a1

31044420001 has 8 divisors (see below), whose sum is σ = 37566357120. Its totient is φ = 25044237888.

The previous prime is 31044419977. The next prime is 31044420019. The reversal of 31044420001 is 10002444013.

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

It is not a de Polignac number, because 31044420001 - 221 = 31042322849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31044420301) 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, 130438621 + ... + 130438858.

It is an arithmetic number, because the mean of its divisors is an integer number (4695794640).

Almost surely, 231044420001 is an apocalyptic number.

It is an amenable number.

31044420001 is a deficient number, since it is larger than the sum of its proper divisors (6521937119).

31044420001 is a wasteful number, since it uses less digits than its factorization.

31044420001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260877503.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 31044420001 its reverse (10002444013), we get a palindrome (41046864014).

The spelling of 31044420001 in words is "thirty-one billion, forty-four million, four hundred twenty thousand, one".

Divisors: 1 7 17 119 260877479 1826142353 4434917143 31044420001