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1311010332 = 2235312716231
BaseRepresentation
bin100111000100100…
…0110111000011100
310101100220020002020
41032021012320130
510141104312312
6334031300140
744326255362
oct11611067034
93340806066
101311010332
11613038515
1230707a650
1317b7c1678
14c6189632
157a16778c
hex4e246e1c

1311010332 has 48 divisors (see below), whose sum is σ = 3141476352. Its totient is φ = 425355840.

The previous prime is 1311010313. The next prime is 1311010333. The reversal of 1311010332 is 2330101131.

It is a super-2 number, since 2×13110103322 = 3437496181221500448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311010333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72657 + ... + 88887.

It is an arithmetic number, because the mean of its divisors is an integer number (65447424).

Almost surely, 21311010332 is an apocalyptic number.

1311010332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311010332 is an abundant number, since it is smaller than the sum of its proper divisors (1830466020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311010332 is a wasteful number, since it uses less digits than its factorization.

1311010332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418 (or 16416 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1311010332 is about 36207.8766568823. The cubic root of 1311010332 is about 1094.4654040640.

Adding to 1311010332 its reverse (2330101131), we get a palindrome (3641111463).

The spelling of 1311010332 in words is "one billion, three hundred eleven million, ten thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 53 106 127 159 212 254 318 381 508 636 762 1524 6731 13462 16231 20193 26924 32462 40386 48693 64924 80772 97386 194772 860243 1720486 2061337 2580729 3440972 4122674 5161458 6184011 8245348 10322916 12368022 24736044 109250861 218501722 327752583 437003444 655505166 1311010332