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331033013213 = 7172781790027
BaseRepresentation
bin1001101000100110001…
…10101110101111011101
31011122110021000102211212
410310103012232233131
520410423422410323
6412024030154205
732626210120460
oct4642306565735
91148407012755
10331033013213
11118432562461
12541a6352965
13252a721c516
141204484d2d7
158926d3ab78
hex4d131aebdd

331033013213 has 8 divisors (see below), whose sum is σ = 400577764032. Its totient is φ = 267051842496.

The previous prime is 331033013131. The next prime is 331033013219. The reversal of 331033013213 is 312310330133.

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 331033013213 - 212 = 331033009117 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 (331033013219) 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, 1390894895 + ... + 1390895132.

It is an arithmetic number, because the mean of its divisors is an integer number (50072220504).

Almost surely, 2331033013213 is an apocalyptic number.

It is an amenable number.

331033013213 is a deficient number, since it is larger than the sum of its proper divisors (69544750819).

331033013213 is a wasteful number, since it uses less digits than its factorization.

331033013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781790051.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 331033013213 its reverse (312310330133), we get a palindrome (643343343346).

The spelling of 331033013213 in words is "three hundred thirty-one billion, thirty-three million, thirteen thousand, two hundred thirteen".

Divisors: 1 7 17 119 2781790027 19472530189 47290430459 331033013213