Search a number
-
+
31330202102 = 2125411249111
BaseRepresentation
bin11101001011011011…
…001111000111110110
32222212110022011121122
4131023123033013312
51003131012431402
622220510543542
72156251216043
oct351333170766
988773264548
1031330202102
111231809a611
1260a4507bb2
132c53b46034
141732d8c1ca
15c357d2ca2
hex74b6cf1f6

31330202102 has 8 divisors (see below), whose sum is σ = 46999088112. Its totient is φ = 15663839400.

The previous prime is 31330202087. The next prime is 31330202129. The reversal of 31330202102 is 20120203313.

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

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, 599474 + ... + 649637.

It is an arithmetic number, because the mean of its divisors is an integer number (5874886014).

Almost surely, 231330202102 is an apocalyptic number.

31330202102 is a deficient number, since it is larger than the sum of its proper divisors (15668886010).

31330202102 is a wasteful number, since it uses less digits than its factorization.

31330202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261654.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31330202102 its reverse (20120203313), we get a palindrome (51450405415).

The spelling of 31330202102 in words is "thirty-one billion, three hundred thirty million, two hundred two thousand, one hundred two".

Divisors: 1 2 12541 25082 1249111 2498222 15665101051 31330202102