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31030203413 = 113597857737
BaseRepresentation
bin11100111001100010…
…110101010000010101
32222002112210122210002
4130321202311100111
51002022213002123
622131032541045
72145646243226
oct347142652025
988075718702
1031030203413
1112183817110
12601bb51785
132c06948a11
1417051b924d
15c192c4528
hex7398b5415

31030203413 has 8 divisors (see below), whose sum is σ = 33945428160. Its totient is φ = 28130694880.

The previous prime is 31030203401. The next prime is 31030203467. The reversal of 31030203413 is 31430203013.

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 31030203413 - 24 = 31030203397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31035203413) 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, 3924920 + ... + 3932817.

It is an arithmetic number, because the mean of its divisors is an integer number (4243178520).

Almost surely, 231030203413 is an apocalyptic number.

It is an amenable number.

31030203413 is a deficient number, since it is larger than the sum of its proper divisors (2915224747).

31030203413 is a wasteful number, since it uses less digits than its factorization.

31030203413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7858107.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31030203413 its reverse (31430203013), we get a palindrome (62460406426).

The spelling of 31030203413 in words is "thirty-one billion, thirty million, two hundred three thousand, four hundred thirteen".

Divisors: 1 11 359 3949 7857737 86435107 2820927583 31030203413