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1330312413 = 31992228329
BaseRepresentation
bin100111101001010…
…1111010011011101
310102201012212120010
41033102233103131
510211024444123
6340001113433
744652316563
oct11722572335
93381185503
101330312413
11622a21451
12311628879
131827bc211
14c8971a33
157bbcb993
hex4f4af4dd

1330312413 has 8 divisors (see below), whose sum is σ = 1782664000. Its totient is φ = 882417888.

The previous prime is 1330312411. The next prime is 1330312421. The reversal of 1330312413 is 3142130331.

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

It is not a de Polignac number, because 1330312413 - 21 = 1330312411 is a prime.

It is a super-2 number, since 2×13303124132 = 3539462232363765138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330312413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330312411) 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, 1113568 + ... + 1114761.

It is an arithmetic number, because the mean of its divisors is an integer number (222833000).

Almost surely, 21330312413 is an apocalyptic number.

It is an amenable number.

1330312413 is a deficient number, since it is larger than the sum of its proper divisors (452351587).

1330312413 is a wasteful number, since it uses less digits than its factorization.

1330312413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228531.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1330312413 is about 36473.4480547151. The cubic root of 1330312413 is about 1099.8105494669.

Adding to 1330312413 its reverse (3142130331), we get a palindrome (4472442744).

The spelling of 1330312413 in words is "one billion, three hundred thirty million, three hundred twelve thousand, four hundred thirteen".

Divisors: 1 3 199 597 2228329 6684987 443437471 1330312413