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3131134541 = 4241738301
BaseRepresentation
bin1011101010100001…
…0101001001001101
322002012210010002222
42322220111021031
522403032301131
61234411025125
7140410130063
oct27250251115
98065703088
103131134541
1113674977a7
1273473b1a5
133ab909542
14219bc0033
15134d4887b
hexbaa1524d

3131134541 has 4 divisors (see below), whose sum is σ = 3131877084. Its totient is φ = 3130392000.

The previous prime is 3131134481. The next prime is 3131134547. The reversal of 3131134541 is 1454311313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2537237641 + 593896900 = 50371^2 + 24370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3131134541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131134541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131134547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364910 + ... + 373391.

It is an arithmetic number, because the mean of its divisors is an integer number (782969271).

Almost surely, 23131134541 is an apocalyptic number.

It is an amenable number.

3131134541 is a deficient number, since it is larger than the sum of its proper divisors (742543).

3131134541 is an equidigital number, since it uses as much as digits as its factorization.

3131134541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742542.

The product of its digits is 2160, while the sum is 26.

The square root of 3131134541 is about 55956.5415389479. The cubic root of 3131134541 is about 1462.9649108162.

Adding to 3131134541 its reverse (1454311313), we get a palindrome (4585445854).

The spelling of 3131134541 in words is "three billion, one hundred thirty-one million, one hundred thirty-four thousand, five hundred forty-one".

Divisors: 1 4241 738301 3131134541