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2103331431 = 33122616467
BaseRepresentation
bin111110101011110…
…0100101001100111
312102120210022022010
41331113210221213
513301423101211
6544413405303
7103060010415
oct17527445147
95376708263
102103331431
1198a304043
124a8499833
132769b6316
1415d4b62b5
15c49c44a6
hex7d5e4a67

2103331431 has 8 divisors (see below), whose sum is σ = 2894907904. Its totient is φ = 1356987960.

The previous prime is 2103331427. The next prime is 2103331457. The reversal of 2103331431 is 1341333012.

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

It is not a de Polignac number, because 2103331431 - 22 = 2103331427 is a prime.

It is a super-2 number, since 2×21033314312 = 8848006217265015522, 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 = 2103331398 and 2103331407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103331411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11308141 + ... + 11308326.

It is an arithmetic number, because the mean of its divisors is an integer number (361863488).

Almost surely, 22103331431 is an apocalyptic number.

2103331431 is a deficient number, since it is larger than the sum of its proper divisors (791576473).

2103331431 is a wasteful number, since it uses less digits than its factorization.

2103331431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22616501.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2103331431 is about 45862.0914372644. The cubic root of 2103331431 is about 1281.2559756501.

Adding to 2103331431 its reverse (1341333012), we get a palindrome (3444664443).

The spelling of 2103331431 in words is "two billion, one hundred three million, three hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 3 31 93 22616467 67849401 701110477 2103331431