Search a number
-
+
31433042102 = 2711204110663
BaseRepresentation
bin11101010001100011…
…100010100010110110
310000010121210222120112
4131101203202202312
51003333324321402
622235023103022
72161640310110
oct352143424266
9100117728515
1031433042102
1112370150850
126112a41a72
132c6c2423c7
1417428bc3b0
15c3e848e52
hex7518e28b6

31433042102 has 16 divisors (see below), whose sum is σ = 58783871232. Its totient is φ = 12246639720.

The previous prime is 31433042101. The next prime is 31433042107. The reversal of 31433042102 is 20124033413.

It is a super-2 number, since 2×314330421022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31433042101) 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, 102055178 + ... + 102055485.

It is an arithmetic number, because the mean of its divisors is an integer number (3673991952).

Almost surely, 231433042102 is an apocalyptic number.

31433042102 is a deficient number, since it is larger than the sum of its proper divisors (27350829130).

31433042102 is a wasteful number, since it uses less digits than its factorization.

31433042102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204110683.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31433042102 its reverse (20124033413), we get a palindrome (51557075515).

The spelling of 31433042102 in words is "thirty-one billion, four hundred thirty-three million, forty-two thousand, one hundred two".

Divisors: 1 2 7 11 14 22 77 154 204110663 408221326 1428774641 2245217293 2857549282 4490434586 15716521051 31433042102