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3131134331 = 13613948467
BaseRepresentation
bin1011101010100001…
…0101000101111011
322002012210002211012
42322220111011323
522403032244311
61234411024135
7140410126343
oct27250250573
98065702735
103131134331
111367497626
1273473b04b
133ab909410
14219bbdd23
15134d4878b
hexbaa1517b

3131134331 has 8 divisors (see below), whose sum is σ = 3427270224. Its totient is φ = 2842895520.

The previous prime is 3131134309. The next prime is 3131134373. The reversal of 3131134331 is 1334311313.

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

It is a cyclic number.

It is not a de Polignac number, because 3131134331 - 214 = 3131117947 is a prime.

It is a super-2 number, since 2×31311343312 = 19608004397533635122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131134297 and 3131134306.

It is not an unprimeable number, because it can be changed into a prime (3131134301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973441 + ... + 1975026.

It is an arithmetic number, because the mean of its divisors is an integer number (428408778).

Almost surely, 23131134331 is an apocalyptic number.

3131134331 is a deficient number, since it is larger than the sum of its proper divisors (296135893).

3131134331 is a wasteful number, since it uses less digits than its factorization.

3131134331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948541.

The product of its digits is 972, while the sum is 23.

The square root of 3131134331 is about 55956.5396624916. The cubic root of 3131134331 is about 1462.9648781100.

Adding to 3131134331 its reverse (1334311313), we get a palindrome (4465445644).

The spelling of 3131134331 in words is "three billion, one hundred thirty-one million, one hundred thirty-four thousand, three hundred thirty-one".

Divisors: 1 13 61 793 3948467 51330071 240856487 3131134331