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3131150401 is a prime number
BaseRepresentation
bin1011101010100001…
…1001000001000001
322002012210220212101
42322220121001001
522403033303101
61234411230401
7140410224241
oct27250310101
98065726771
103131150401
1113674a8705
12734748401
133ab913822
14219bc5b21
15134d4d401
hexbaa19041

3131150401 has 2 divisors, whose sum is σ = 3131150402. Its totient is φ = 3131150400.

The previous prime is 3131150371. The next prime is 3131150413. The reversal of 3131150401 is 1040511313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1987019776 + 1144130625 = 44576^2 + 33825^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131150401 - 229 = 2594279489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131150461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565575200 + 1565575201.

It is an arithmetic number, because the mean of its divisors is an integer number (1565575201).

Almost surely, 23131150401 is an apocalyptic number.

It is an amenable number.

3131150401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131150401 is an equidigital number, since it uses as much as digits as its factorization.

3131150401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 3131150401 is about 55956.6832558900. The cubic root of 3131150401 is about 1462.9673809096.

Adding to 3131150401 its reverse (1040511313), we get a palindrome (4171661714).

The spelling of 3131150401 in words is "three billion, one hundred thirty-one million, one hundred fifty thousand, four hundred one".