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3125051331 = 323370912211
BaseRepresentation
bin1011101001000100…
…0111111111000011
322001210100001111220
42322101013333003
522400003120311
61234032410123
7140304332553
oct27221077703
98053301456
103125051331
111364012356
127326a6943
133aa5896cc
14219079163
15134546206
hexba447fc3

3125051331 has 16 divisors (see below), whose sum is σ = 4349425920. Its totient is φ = 1992085920.

The previous prime is 3125051329. The next prime is 3125051383. The reversal of 3125051331 is 1331505213.

It is not a de Polignac number, because 3125051331 - 21 = 3125051329 is a prime.

It is a super-2 number, since 2×31250513312 = 19531891642769743122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3125051731) 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, 249816 + ... + 262026.

It is an arithmetic number, because the mean of its divisors is an integer number (271839120).

Almost surely, 23125051331 is an apocalyptic number.

3125051331 is a deficient number, since it is larger than the sum of its proper divisors (1224374589).

3125051331 is a wasteful number, since it uses less digits than its factorization.

3125051331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15946.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 3125051331 is about 55902.1585540308. The cubic root of 3125051331 is about 1462.0168740095.

Adding to 3125051331 its reverse (1331505213), we get a palindrome (4456556544).

The spelling of 3125051331 in words is "three billion, one hundred twenty-five million, fifty-one thousand, three hundred thirty-one".

Divisors: 1 3 23 69 3709 11127 12211 36633 85307 255921 280853 842559 45290599 135871797 1041683777 3125051331