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131133332 = 221123312791
BaseRepresentation
bin1111101000011…
…10111110010100
3100010202021010002
413310032332110
5232032231312
621002350432
73151420631
oct764167624
9303667102
10131133332
1168026460
1237abb418
13212245b5
14135b7188
15b7a44c2
hex7d0ef94

131133332 has 24 divisors (see below), whose sum is σ = 251439552. Its totient is φ = 59345600.

The previous prime is 131133329. The next prime is 131133349. The reversal of 131133332 is 233331131.

It is a super-2 number, since 2×1311333322 = 34391901522844448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857 + ... + 16647.

It is an arithmetic number, because the mean of its divisors is an integer number (10476648).

Almost surely, 2131133332 is an apocalyptic number.

It is an amenable number.

131133332 is a deficient number, since it is larger than the sum of its proper divisors (120306220).

131133332 is a wasteful number, since it uses less digits than its factorization.

131133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13039 (or 13037 counting only the distinct ones).

The product of its digits is 486, while the sum is 20.

The square root of 131133332 is about 11451.3462963968. The cubic root of 131133332 is about 508.0475548100.

Adding to 131133332 its reverse (233331131), we get a palindrome (364464463).

It can be divided in two parts, 1311 and 33332, that added together give a palindrome (34643).

The spelling of 131133332 in words is "one hundred thirty-one million, one hundred thirty-three thousand, three hundred thirty-two".

Divisors: 1 2 4 11 22 44 233 466 932 2563 5126 10252 12791 25582 51164 140701 281402 562804 2980303 5960606 11921212 32783333 65566666 131133332