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2031311032 = 23294359
BaseRepresentation
bin111100100010011…
…0101100010111000
312020120021021212221
41321010311202320
513130003423112
6533322013424
7101223600412
oct17104654270
95216237787
102031311032
11952693053
12488347274
13264abacba
14153ac99b2
15bd4e9e07
hex791358b8

2031311032 has 40 divisors (see below), whose sum is σ = 3955721400. Its totient is φ = 977901344.

The previous prime is 2031311027. The next prime is 2031311039. The reversal of 2031311032 is 2301131302.

It is a junction number, because it is equal to n+sod(n) for n = 2031310997 and 2031311015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031311039) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5658069 + ... + 5658427.

It is an arithmetic number, because the mean of its divisors is an integer number (98893035).

Almost surely, 22031311032 is an apocalyptic number.

It is an amenable number.

2031311032 is a deficient number, since it is larger than the sum of its proper divisors (1924410368).

2031311032 is an frugal number, since it uses more digits than its factorization.

2031311032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2031311032 is about 45070.0680274614. The cubic root of 2031311032 is about 1266.4619387804.

Adding to 2031311032 its reverse (2301131302), we get a palindrome (4332442334).

The spelling of 2031311032 in words is "two billion, thirty-one million, three hundred eleven thousand, thirty-two".

Divisors: 1 2 4 8 29 58 116 232 359 718 841 1436 1682 2872 3364 6728 10411 20822 24389 41644 48778 83288 97556 195112 301919 603838 707281 1207676 1414562 2415352 2829124 5658248 8755651 17511302 35022604 70045208 253913879 507827758 1015655516 2031311032