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31302013003 = 1571024719457
BaseRepresentation
bin11101001001101111…
…101101000001001011
32222210111021000102221
4131021233231001023
51003101303404003
622214022434511
72155456502062
oct351157550113
988714230387
1031302013003
1112303196738
126096b92a37
132c4b0563b1
14172d3311d9
15c330b57bd
hex749bed04b

31302013003 has 8 divisors (see below), whose sum is σ = 31506082272. Its totient is φ = 31098003456.

The previous prime is 31302012997. The next prime is 31302013031. The reversal of 31302013003 is 30031020313.

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 31302013003 - 229 = 30765142091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302013703) 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 7 ways as a sum of consecutive naturals, for example, 1599051 + ... + 1618507.

It is an arithmetic number, because the mean of its divisors is an integer number (3938260284).

Almost surely, 231302013003 is an apocalyptic number.

31302013003 is a deficient number, since it is larger than the sum of its proper divisors (204069269).

31302013003 is a wasteful number, since it uses less digits than its factorization.

31302013003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29861.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31302013003 its reverse (30031020313), we get a palindrome (61333033316).

The spelling of 31302013003 in words is "thirty-one billion, three hundred two million, thirteen thousand, three".

Divisors: 1 157 10247 19457 1608779 3054749 199375879 31302013003