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3131366494 = 24013904447
BaseRepresentation
bin1011101010100100…
…1101110001011110
322002020012220021211
42322221031301132
522403112211434
61234420015034
7140412114244
oct27251156136
98066186254
103131366494
111367635aa3
1273483147a
133ab98aca9
14219c40794
15134d92464
hexbaa4dc5e

3131366494 has 8 divisors (see below), whose sum is σ = 4708764288. Its totient is φ = 1561778400.

The previous prime is 3131366479. The next prime is 3131366503. The reversal of 3131366494 is 4946631313.

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

It is a super-2 number, since 2×31313664942 = 19610912239491704072, 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 3 ways as a sum of consecutive naturals, for example, 1951422 + ... + 1953025.

It is an arithmetic number, because the mean of its divisors is an integer number (588595536).

Almost surely, 23131366494 is an apocalyptic number.

3131366494 is a deficient number, since it is larger than the sum of its proper divisors (1577397794).

3131366494 is a wasteful number, since it uses less digits than its factorization.

3131366494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904850.

The product of its digits is 139968, while the sum is 40.

The square root of 3131366494 is about 55958.6141179354. The cubic root of 3131366494 is about 1463.0010351790.

The spelling of 3131366494 in words is "three billion, one hundred thirty-one million, three hundred sixty-six thousand, four hundred ninety-four".

Divisors: 1 2 401 802 3904447 7808894 1565683247 3131366494